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{{draft task|Games}}
'''Task Requirements'''
The task is to get the computer to play a game of [[wp:Morpion solitaire|Morpion solitaire]]. For this task, it is acceptable for the computer to make randomly selected valid moves, rather than playing the strongest move each time. Use the standard version, with 5 point lines that allows parallel lines to touch at the endpoints.
[[File:Morpion 5T67-typical.png|thumb|right|A typical random game of "touching" (5T) morpion as rendered by Pentasol]] (Proposed additional requirement): Provide sample output. Preferably the output should be a record of moves suitable for replay using Pentasol. Alternately, ASCII art can be used; however, games rendered in this manner may not provide enough information to replay the game. Please see [[Talk:Morpion_solitaire#Game_Notation|the discussion on game notation and rendering]] for more information.
'''Playing Morpion Solitaire'''
There are several variations of the game, this task deals with the 5 point "touching" version also known as "5T".
Morpian solitaire is played on a (theoretically) infinite grid. It begins with 36 points marked in a Greek cross:
...XXXX...
...X..X...
...X..X...
XXXX..XXXX
X........X
X........X
XXXX..XXXX
...X..X...
...X..X...
...XXXX...
- A move is made by adding one point anywhere that creates a new line of 5 points (without spaces) and drawing a line through them. (Moves are commonly marked with the number of the move for visual clarity. Creating a record of the game in game notation is a better way to validate a game.)
- Any two lines not running in the same direction may cross.
- Any two lines running in the same direction are allowed to touch at the ends but not overlap (i.e. share at most a single point).
- The game ends when you run out of legal moves. (The game score is the number of legal moves played.)
The rules to morpion solitaire are [http://www.morpionsolitaire.com/English/Rules.htm here].
'''Background'''
A short history of the 5T game:
- 170 - Bruneau, by hand in 1976
- 117 and 122 - Juillé in 1995 and 1999
- 143 - Zimmer in 2003
- 144 - Cazenave in 2007
- 172 - Rosin in 2010
- 171 and 172 - Tishchenko in 2011
- 177 and 178 - Rosin in 2011
For an up to date list of [http://www.morpionsolitaire.com/English/RecordsGrids5T.htm Morpion 5T Records] see here. The shortest game possible is [http://www.morpionsolitaire.com/English/Limits.htm 20 moves].
The game is NP-hard in the general case and has a huge search space and is a test case for research into searching methods.
Theoretical bounds have been placed on the longest 5T game. The lower bound of 170 and upper bound of either 324 or 704 according to two different papers (see talk page).
TOC
C
Console play with ncurses. Length and touching rules can be changed at the begining of source code. 'q' key to quit, space key to toggle auto move, anykey for next move. Play is random. I got nowhere near the record 177 moves, but did approach the worst-possible (20) quite often.
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
/* option: how long a line is. Options probably should have been made into
* commandline args, if I were not lazy. Also, if line_len is set to 3,
* the game may keep going indefinitely: best use auto mode. */
int line_len = 5;
/* option: whether two lines are allowed to be in the same direction and
* connected end to end. Note: two lines crossing are always ok. */
int disjoint = 0;
int **board = 0, width, height;
#define for_i for(i = 0; i < height; i++)
#define for_j for(j = 0; j < width; j++)
enum {
s_blank = 0,
s_occupied = 1 << 0,
s_dir_ns = 1 << 1,
s_dir_ew = 1 << 2,
s_dir_ne_sw = 1 << 3,
s_dir_nw_se = 1 << 4,
s_newly_added = 1 << 5,
s_current = 1 << 6,
};
int irand(int n)
{
int r, rand_max = RAND_MAX - (RAND_MAX % n);
while ((r = rand()) >= rand_max);
return r / (rand_max / n);
}
int** alloc_board(int w, int h)
{
int i;
int **buf = calloc(1, sizeof(int *) * h + sizeof(int) * h * w);
buf[0] = (int*)(buf + h);
for (i = 1; i < h; i++)
buf[i] = buf[i - 1] + w;
return buf;
}
/* -1: expand low index end; 1: exten high index end */
void expand_board(int dw, int dh)
{
int i, j;
int nw = width + !!dw, nh = height + !!dh;
/* garanteed to fragment heap: not realloc because copying elements
* is a bit tricky */
int **nbuf = alloc_board(nw, nh);
dw = -(dw < 0), dh = -(dh < 0);
for (i = 0; i < nh; i++) {
if (i + dh < 0 || i + dh >= height) continue;
for (j = 0; j < nw; j++) {
if (j + dw < 0 || j + dw >= width) continue;
nbuf[i][j] = board[i + dh][j + dw];
}
}
free(board);
board = nbuf;
width = nw;
height = nh;
}
void array_set(int **buf, int v, int x0, int y0, int x1, int y1)
{
int i, j;
for (i = y0; i <= y1; i++)
for (j = x0; j <= x1; j++)
buf[i][j] = v;
}
void show_board()
{
int i, j;
for_i for_j mvprintw(i + 1, j * 2,
(board[i][j] & s_current) ? "X "
: (board[i][j] & s_newly_added) ? "O "
: (board[i][j] & s_occupied) ? "+ " : " ");
refresh();
}
void init_board()
{
width = height = 3 * (line_len - 1);
board = alloc_board(width, height);
array_set(board, s_occupied, line_len - 1, 1, 2 * line_len - 3, height - 2);
array_set(board, s_occupied, 1, line_len - 1, width - 2, 2 * line_len - 3);
array_set(board, s_blank, line_len, 2, 2 * line_len - 4, height - 3);
array_set(board, s_blank, 2, line_len, width - 3, 2 * line_len - 4);
}
int ofs[4][3] = {
{0, 1, s_dir_ns},
{1, 0, s_dir_ew},
{1, -1, s_dir_ne_sw},
{1, 1, s_dir_nw_se}
};
typedef struct { int m, s, seq, x, y; } move_t;
/* test if a point can complete a line, or take that point */
void test_postion(int y, int x, move_t * rec)
{
int m, k, s, dx, dy, xx, yy, dir;
if (board[y][x] & s_occupied) return;
for (m = 0; m < 4; m++) { /* 4 directions */
dx = ofs[m][0];
dy = ofs[m][1];
dir = ofs[m][2];
for (s = 1 - line_len; s <= 0; s++) { /* offset line */
for (k = 0; k < line_len; k++) {
if (s + k == 0) continue;
xx = x + dx * (s + k);
yy = y + dy * (s + k);
if (xx < 0 || xx >= width || yy < 0 || yy >= height)
break;
/* no piece at position */
if (!(board[yy][xx] & s_occupied)) break;
/* this direction taken */
if ((board[yy][xx] & dir)) break;
}
if (k != line_len) continue;
/* position ok; irand() to even each option's chance of
being picked */
if (! irand(++rec->seq))
rec->m = m, rec->s = s, rec->x = x, rec->y = y;
}
}
}
void add_piece(move_t *rec) {
int dx = ofs[rec->m][0];
int dy = ofs[rec->m][1];
int dir= ofs[rec->m][2];
int xx, yy, k;
board[rec->y][rec->x] |= (s_current | s_occupied);
for (k = 0; k < line_len; k++) {
xx = rec->x + dx * (k + rec->s);
yy = rec->y + dy * (k + rec->s);
board[yy][xx] |= s_newly_added;
if (k >= disjoint || k < line_len - disjoint)
board[yy][xx] |= dir;
}
}
int next_move()
{
int i, j;
move_t rec;
rec.seq = 0;
/* wipe last iteration's new line markers */
for_i for_j board[i][j] &= ~(s_newly_added | s_current);
/* randomly pick one of next legal moves */
for_i for_j test_postion(i, j, &rec);
/* didn't find any move, game over */
if (!rec.seq) return 0;
add_piece(&rec);
rec.x = (rec.x == width - 1) ? 1 : rec.x ? 0 : -1;
rec.y = (rec.y == height - 1) ? 1 : rec.y ? 0 : -1;
if (rec.x || rec.y) expand_board(rec.x, rec.y);
return 1;
}
int main()
{
int ch = 0;
int move = 0;
int wait_key = 1;
init_board();
srand(time(0));
initscr();
noecho();
cbreak();
do {
mvprintw(0, 0, "Move %d", move++);
show_board();
if (!next_move()) {
next_move();
show_board();
break;
}
if (!wait_key) usleep(100000);
if ((ch = getch()) == ' ') {
wait_key = !wait_key;
if (wait_key) timeout(-1);
else timeout(0);
}
} while (ch != 'q');
timeout(-1);
nocbreak();
echo();
endwin();
return 0;
}
Go
{{libheader|goncurses}} {{trans|C}}
package main import ( gc "github.com/rthornton128/goncurses" "log" "math/rand" "time" ) // optional settings const ( lineLen = 5 disjoint = 0 ) var ( board [][]int width int height int ) const ( blank = 0 occupied = 1 << (iota - 1) dirNS dirEW dirNESW dirNWSE newlyAdded current ) var ofs = [4][3]int{ {0, 1, dirNS}, {1, 0, dirEW}, {1, -1, dirNESW}, {1, 1, dirNWSE}, } type move struct{ m, s, seq, x, y int } func btoi(b bool) int { if b { return 1 } return 0 } func allocBoard(w, h int) [][]int { buf := make([][]int, h) for i := 0; i < h; i++ { buf[i] = make([]int, w) } return buf } func boardSet(v, x0, y0, x1, y1 int) { for i := y0; i <= y1; i++ { for j := x0; j <= x1; j++ { board[i][j] = v } } } func initBoard() { height = 3 * (lineLen - 1) width = height board = allocBoard(width, height) boardSet(occupied, lineLen-1, 1, 2*lineLen-3, height-2) boardSet(occupied, 1, lineLen-1, width-2, 2*lineLen-3) boardSet(blank, lineLen, 2, 2*lineLen-4, height-3) boardSet(blank, 2, lineLen, width-3, 2*lineLen-4) } // -1: expand low index end; 1: expand high index end func expandBoard(dw, dh int) { dw2, dh2 := 1, 1 if dw == 0 { dw2 = 0 } if dh == 0 { dh2 = 0 } nw, nh := width+dw2, height+dh2 nbuf := allocBoard(nw, nh) dw, dh = -btoi(dw < 0), -btoi(dh < 0) for i := 0; i < nh; i++ { if i+dh < 0 || i+dh >= height { continue } for j := 0; j < nw; j++ { if j+dw < 0 || j+dw >= width { continue } nbuf[i][j] = board[i+dh][j+dw] } } board = nbuf width, height = nw, nh } func showBoard(scr *gc.Window) { for i := 0; i < height; i++ { for j := 0; j < width; j++ { var temp string switch { case (board[i][j] & current) != 0: temp = "X " case (board[i][j] & newlyAdded) != 0: temp = "0 " case (board[i][j] & occupied) != 0: temp = "+ " default: temp = " " } scr.MovePrintf(i+1, j*2, temp) } } scr.Refresh() } // test if a point can complete a line, or take that point func testPosition(y, x int, rec *move) { if (board[y][x] & occupied) != 0 { return } for m := 0; m < 4; m++ { // 4 directions dx := ofs[m][0] dy := ofs[m][1] dir := ofs[m][2] var k int for s := 1 - lineLen; s <= 0; s++ { // offset line for k = 0; k < lineLen; k++ { if s+k == 0 { continue } xx := x + dx*(s+k) yy := y + dy*(s+k) if xx < 0 || xx >= width || yy < 0 || yy >= height { break } // no piece at position if (board[yy][xx] & occupied) == 0 { break } // this direction taken if (board[yy][xx] & dir) != 0 { break } } if k != lineLen { continue } // position ok // rand.Intn to even each option's chance of being picked rec.seq++ if rand.Intn(rec.seq) == 0 { rec.m, rec.s, rec.x, rec.y = m, s, x, y } } } } func addPiece(rec *move) { dx := ofs[rec.m][0] dy := ofs[rec.m][1] dir := ofs[rec.m][2] board[rec.y][rec.x] |= current | occupied for k := 0; k < lineLen; k++ { xx := rec.x + dx*(k+rec.s) yy := rec.y + dy*(k+rec.s) board[yy][xx] |= newlyAdded if k >= disjoint || k < lineLen-disjoint { board[yy][xx] |= dir } } } func nextMove() bool { var rec move // wipe last iteration's new line markers for i := 0; i < height; i++ { for j := 0; j < width; j++ { board[i][j] &^= newlyAdded | current } } // randomly pick one of next legal moves for i := 0; i < height; i++ { for j := 0; j < width; j++ { testPosition(i, j, &rec) } } // didn't find any move, game over if rec.seq == 0 { return false } addPiece(&rec) if rec.x == width-1 { rec.x = 1 } else if rec.x != 0 { rec.x = 0 } else { rec.x = -1 } if rec.y == height-1 { rec.y = 1 } else if rec.y != 0 { rec.y = 0 } else { rec.y = -1 } if rec.x != 0 || rec.y != 0 { expandBoard(rec.x, rec.y) } return true } func main() { rand.Seed(time.Now().UnixNano()) initBoard() scr, err := gc.Init() if err != nil { log.Fatal("init", err) } defer gc.End() gc.Echo(false) gc.CBreak(true) ch := gc.Key(0) move := 0 waitKey := true for { scr.MovePrintf(0, 0, "Move %d", move) move++ showBoard(scr) if !nextMove() { nextMove() showBoard(scr) break } if !waitKey { time.Sleep(100000 * time.Microsecond) } if ch = scr.GetChar(); ch == ' ' { waitKey = !waitKey if waitKey { scr.Timeout(-1) } else { scr.Timeout(0) } } if ch == 'q' { break } } scr.Timeout(-1) gc.CBreak(false) gc.Echo(true) }
=={{header|Icon}} and {{header|Unicon}}== [[File:Morpion 5T92 unicon.PNG|thumb|right|Example of the longest random game produced by this program (92 moves) and displayed using the Pentasol player.]]
The example provided goes beyond the basic requirement to play out a random game. It provides a flexible framework to explore the challenge of morpion solitaire.
See [[Morpion_solitaire/Unicon]]
J
With this program as the file m.ijs
NB. turn will be a verb with GRID as y, returning GRID. Therefor:
NB. morpion is move to the power of infinity---convergence.
morpion =: turn ^: _
NB. Detail:
NB. bitwise manipulation definitions for bit masks.
bit_and =: 2b10001 b.
bit_or =: 2b10111 b.
assert 0 0 0 1 -: 0 0 1 1 bit_and 0 1 0 1
assert 0 1 1 1 -: 0 0 1 1 bit_or 0 1 0 1
diagonal =: (<i.2)&|: NB. verb to extract the major diagonal of a matrix.
assert 0 3 -: diagonal i. 2 2
NB. choose to pack bits into groups of 3. 3 bits can store 0 through 5.
MASKS =: 'MARKED M000 M045 M090 M135'
(MASKS) =: 2b111 * 2b1000 ^ i. # ;: MASKS
bit_to_set =: 2&}.&.#:
MARK =: bit_to_set MARKED
GREEK_CROSS =: MARK * 10 10 $ 'x' = LF -.~ 0 :0
xxxx
x x
x x
xxxx xxxx
x x
x x
xxxx xxxx
x x
x x
xxxx
)
NB. frame pads the marked edges of the GRID
frame_top =: 0&,^:(0 ~: +/@:{.)
frame_bot =: frame_top&.:|.
frame_lef=:frame_top&.:|:
frame_rig=: frame_bot&.:|:
frame =: frame_top@:frame_bot@:frame_lef@:frame_rig
assert (-: frame) 1 1 $ 0
assert (3 3 $ _5 {. 1) (-: frame) 1 1 $ 1
odometer =: (4 $. $.)@:($&1) NB. http://www.jsoftware.com/jwiki/Essays/Odometer
index_matrix =: ($ <"1@:odometer)@:$ NB. the computations work with indexes
assert (1 1 ($ <) 0 0) (-: index_matrix) (i. 1 1)
Note 'adverb Line'
m is the directional bit mask.
produces the bitmask with a list of index vectors to make a new line.
use Line: (1,:1 5) M000 Line ;._3 index_matrix GRID
Line is a Boolean take of the result.
Cuts apply Line to each group of 5.
However I did not figure out how to make this work without a global variable.
)
NB. the middle 3 are not
NB. used in this direction and 4 are already marked
Line =: 1 :'((((0 = m bit_and +/@:}.@:}:) *. (4 = MARKED bit_and +/))@:,@:({&GRID))y){.<(bit_to_set m)(;,)y'
l000 =: (1,:1 5)&(M000 Line;._3)
l045 =: (1,:5 5) M045 Line@:diagonal;._3 |.
l090 =: (1,:5 1)&(M090 Line;._3)
l135 =: (1,:5 5)&(M135 Line@:diagonal;._3)
NB. find all possible moves
compute_marks =: (l135 , l090 , l045 , l000)@:index_matrix NB. compute_marks GRID
choose_randomly =: {~ ?@:#
apply =: (({~ }.)~ bit_or (MARK bit_or 0&{::@:[))`(}.@:[)`]}
save =: 4 : '(x) =: y'
move =: (apply~ 'CHOICE' save choose_randomly)~
turn =: 3 : 0
TURN =: >: TURN
FI =. GRID =: frame y
MOVES =: _6[\;compute_marks GRID
GRID =: MOVES move :: ] GRID
if. TURN e. OUTPUT do.
smoutput (":TURN),' TURN {'
smoutput ' choose among' ; < MOVES
smoutput ' selected' ; CHOICE
smoutput ' framed input & ouput' ; FI ; GRID
smoutput '}'
end.
GRID
)
NB. argument y is a vector of TURN numbers to report detailed output.
play =: 3 : 0
OUTPUT =: y
NB. save the random state to replay a fantastic game.
RANDOM_STATE =: '(9!:42 ; 9!:44 ; 9!:0)' ; (9!:42 ; 9!:44 ; 9!:0)''
if. 0 < # OUTPUT do.
smoutput 'line angle bit keys for MARK 000 045 090 135: ',":bit_to_set"0 MARKED,M000,M045,M090,M135
smoutput 'RANDOM_STATE begins as' ; RANDOM_STATE
end.
TURN =: _1 NB. count the number of plays. Convergence requires 1 extra attempt.
GRID =: morpion GREEK_CROSS NB. play the game
TURN
)
NB. example
smoutput play''
load the file into a j session to play an initial game and report the number of turns. We can play a game providing a vector of move numbers at which to report the output.
load'/tmp/m.ijs'
60
play 3
line angle bit keys for MARK 000 045 090 135: 1 8 64 512 4096
┌──────────────────────┬──────────────────────┬─┬───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────...
│RANDOM_STATE begins as│(9!:42 ; 9!:44 ; 9!:0)│2│┌─┬──┬─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────...
│ │ │ ││2│73│_1823777002250993298 _6838471509779976446 _8601563932981981704 _9084675764771521463 _513205540226054792 8272574653743672083 _9008275520901665952 542248839568947423 _149618965119662441 _7363052629138270...
│ │ │ │└─┴──┴─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────...
└──────────────────────┴──────────────────────┴─┴───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────...
3 TURN {
┌──────────────┬───────────────────────────────┐
│ choose among│┌────┬────┬────┬────┬────┬────┐│
│ ││4096│1 6 │2 7 │3 8 │4 9 │5 10││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││4096│3 7 │4 8 │5 9 │6 10│7 11││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││4096│6 1 │7 2 │8 3 │9 4 │10 5││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││4096│7 3 │8 4 │9 5 │10 6│11 7││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │0 4 │1 4 │2 4 │3 4 │4 4 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │0 7 │1 7 │2 7 │3 7 │4 7 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │1 4 │2 4 │3 4 │4 4 │5 4 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │1 7 │2 7 │3 7 │4 7 │5 7 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │3 1 │4 1 │5 1 │6 1 │7 1 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │3 10│4 10│5 10│6 10│7 10││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │4 1 │5 1 │6 1 │7 1 │8 1 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │4 10│5 10│6 10│7 10│8 10││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │6 4 │7 4 │8 4 │9 4 │10 4││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││512 │7 4 │8 4 │9 4 │10 4│11 4││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││64 │10 6│9 7 │8 8 │7 9 │6 10││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││64 │5 1 │4 2 │3 3 │2 4 │1 5 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │1 3 │1 4 │1 5 │1 6 │1 7 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │1 4 │1 5 │1 6 │1 7 │1 8 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │4 0 │4 1 │4 2 │4 3 │4 4 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │4 1 │4 2 │4 3 │4 4 │4 5 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │4 6 │4 7 │4 8 │4 9 │4 10││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │4 7 │4 8 │4 9 │4 10│4 11││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │7 0 │7 1 │7 2 │7 3 │7 4 ││
│ │├────┼────┼────┼────┼────┼────┤│
│ ││8 │7 1 │7 2 │7 3 │7 4 │7 5 ││
│ │└────┴────┴────┴────┴────┴────┘│
└──────────────┴───────────────────────────────┘
┌──────────┬───┬───┬───┬───┬───┬───┐
│ selected│512│1 4│2 4│3 4│4 4│5 4│
└──────────┴───┴───┴───┴───┴───┴───┘
┌──────────────────────┬───────────────────────────┬─────────────────────────────┐
│ framed input & ouput│0 0 0 0 0 0 0 0 0 0 0 0 0│0 0 0 0 0 0 0 0 0 0 0 0 0│
│ │0 0 0 0 1 1 1 1 0 0 0 0 0│0 0 0 0 513 1 1 1 0 0 0 0 0│
│ │0 0 0 0 1 0 0 1 0 0 0 0 0│0 0 0 0 513 0 0 1 0 0 0 0 0│
│ │0 0 0 0 1 0 0 1 0 0 0 0 0│0 0 0 0 513 0 0 1 0 0 0 0 0│
│ │0 1 1 1 1 0 0 1 1 1 1 0 0│0 1 1 1 513 0 0 1 1 1 1 0 0│
│ │0 1 0 0 0 0 0 0 0 0 1 0 0│0 1 0 0 513 0 0 0 0 0 1 0 0│
│ │0 1 0 0 0 0 0 0 0 0 1 0 0│0 1 0 0 0 0 0 0 0 0 1 0 0│
│ │0 1 1 1 1 0 0 521 9 9 9 9 0│0 1 1 1 1 0 0 521 9 9 9 9 0│
│ │0 0 0 0 1 0 0 513 0 0 0 0 0│0 0 0 0 1 0 0 513 0 0 0 0 0│
│ │0 0 0 0 1 0 0 513 0 0 0 0 0│0 0 0 0 1 0 0 513 0 0 0 0 0│
│ │0 0 0 0 9 9 9 521 9 0 0 0 0│0 0 0 0 9 9 9 521 9 0 0 0 0│
│ │0 0 0 0 0 0 0 513 0 0 0 0 0│0 0 0 0 0 0 0 513 0 0 0 0 0│
│ │0 0 0 0 0 0 0 0 0 0 0 0 0│0 0 0 0 0 0 0 0 0 0 0 0 0│
└──────────────────────┴───────────────────────────┴─────────────────────────────┘
}
62
Explanation.
load'/tmp/m.ijs' Load the file played an initial game. This one played 60 moves.
play 3 Shows the state of the random generator at the start of the game, and then information about turn 3. The pseudo-random generator can be reconstructed from information in the RANDOM_STATE variable, hence one can replay with full output superior games.
Curly braces enclose output pertaining to the move transitioning from given state to the next.
3 TURN {
...
}
A list of the possible moves follows, along with the selection. Let's decode the selected move. Given the key from first output line the move 512 is a 90 degree (vertical) line. The list of index origin 0 row column coordinates indeed shows 5 constant column with sequential rows. From the framed input and output grids shown, near the top of the fifth column, the 1 1 1 1 0 became 513 513 513 513 513. 513 is the number corresponding to one bits of MARK and 90 degrees. On a prior move, the 521's shows that thes marked points were used for 0 and 90 degree lines, included in the (difficult to see) 9's and 513's in proper direction. The final 62 shows the length of the game. Display the value of final grid with the sentence GRID . GRID is a pronoun.
line angle bit keys for MARK 000 045 090 135: 1 8 64 512 4096
┌──────────┬───┬───┬───┬───┬───┬───┐
│ selected│512│1 4│2 4│3 4│4 4│5 4│
└──────────┴───┴───┴───┴───┴───┴───┘
┌──────────────────────┬───────────────────────────┬─────────────────────────────┐
│ framed input & ouput│0 0 0 0 0 0 0 0 0 0 0 0 0│0 0 0 0 0 0 0 0 0 0 0 0 0│
│ │0 0 0 0 1 1 1 1 0 0 0 0 0│0 0 0 0 513 1 1 1 0 0 0 0 0│
│ │0 0 0 0 1 0 0 1 0 0 0 0 0│0 0 0 0 513 0 0 1 0 0 0 0 0│
│ │0 0 0 0 1 0 0 1 0 0 0 0 0│0 0 0 0 513 0 0 1 0 0 0 0 0│
│ │0 1 1 1 1 0 0 1 1 1 1 0 0│0 1 1 1 513 0 0 1 1 1 1 0 0│
│ │0 1 0 0 0 0 0 0 0 0 1 0 0│0 1 0 0 513 0 0 0 0 0 1 0 0│
│ │0 1 0 0 0 0 0 0 0 0 1 0 0│0 1 0 0 0 0 0 0 0 0 1 0 0│
│ │0 1 1 1 1 0 0 521 9 9 9 9 0│0 1 1 1 1 0 0 521 9 9 9 9 0│
│ │0 0 0 0 1 0 0 513 0 0 0 0 0│0 0 0 0 1 0 0 513 0 0 0 0 0│
│ │0 0 0 0 1 0 0 513 0 0 0 0 0│0 0 0 0 1 0 0 513 0 0 0 0 0│
│ │0 0 0 0 9 9 9 521 9 0 0 0 0│0 0 0 0 9 9 9 521 9 0 0 0 0│
│ │0 0 0 0 0 0 0 513 0 0 0 0 0│0 0 0 0 0 0 0 513 0 0 0 0 0│
│ │0 0 0 0 0 0 0 0 0 0 0 0 0│0 0 0 0 0 0 0 0 0 0 0 0 0│
└──────────────────────┴───────────────────────────┴─────────────────────────────┘
}
The distribution of 4444 games is strongly bimodal with a narrow peak around 22 moves, and a broader peak of same count at 65 moves. The longest game scored 81, and 120 minimum 20 move games found.
Java
See: [[Morpion solitaire/Java]]
Phix
Focuses on playing back the 178-record, see: [[Morpion solitaire/Phix]]
Racket
#lang racket
(module rules racket/base
(require racket/match)
(provide game-cross
available-lines
add-line
line-dx.dy)
(define (add-points points# x y . more)
(define p+ (hash-set points# (cons x y) #t))
(if (null? more) p+ (apply add-points p+ more)))
;; original cross
(define (game-cross)
(let ((x1 (for/fold ((x (hash))) ((i (in-range 3 7)))
(add-points x 0 i i 0 9 i i 9))))
(for/fold ((x x1)) ((i (in-sequences (in-range 0 4) (in-range 6 10))))
(add-points x 3 i i 3 6 i i 6))))
;; add an edge
(define (make-edge points#)
(for*/hash ((k (in-hash-keys points#))
(dx (in-range -1 2))
(dy (in-range -1 2))
(x (in-value (+ (car k) dx)))
(y (in-value (+ (cdr k) dy)))
(e (in-value (cons x y)))
#:unless (hash-has-key? points# e))
(values e #t)))
(define (line-dx.dy d)
(values (match d ['w -1] ['nw -1] ['n 0] [ne 1])
(match d ['n -1] ['ne -1] ['nw -1] ['w 0])))
(define (line-points e d)
(define-values (dx dy) (line-dx.dy d))
(match-define (cons x y) e)
(for/list ((i (in-range 5)))
(cons (+ x (* dx i))
(+ y (* dy i)))))
(define (line-overlaps? lp d l#)
(for/first ((i (in-range 3))
(p (in-list (cdr lp)))
#:when (hash-has-key? l# (cons d p)))
#t))
(define (four-points? lp p#)
(= 4 (for/sum ((p (in-list lp)) #:when (hash-has-key? p# p)) 1)))
;; returns a list of lines that can be applied to the game
(define (available-lines p# l# (e# (make-edge p#)))
(for*/list ((ep (in-sequences (in-hash-keys e#) (in-hash-keys p#)))
(d (in-list '(n w ne nw)))
(lp (in-value (line-points ep d)))
#:unless (line-overlaps? lp d l#)
#:when (four-points? lp p#))
(define new-edge-point (for/first ((p (in-list lp)) #:when (hash-ref e# p #f)) p))
(list ep d lp new-edge-point)))
;; adds a new line to points# lines# returns (values [new points#] [new lines#])
(define (add-line line points# lines#)
(match-define (list _ dir ps _) line)
(for/fold ((p# points#) (l# lines#)) ((p (in-list ps)))
(values (hash-set p# p #t) (hash-set l# (cons dir p) #t)))))
(module player racket/base
(require racket/match
(submod ".." rules))
(provide play-game
random-line-chooser)
(define (random-line-chooser p# l# options)
(list-ref options (random (length options))))
;; line-chooser (points lines (Listof line) -> line)
(define (play-game line-chooser (o# (game-cross)))
(let loop ((points# o#)
(lines# (hash))
(rv null))
(match (available-lines points# lines#)
[(list) (values points# (reverse rv) o#)]
[options
(match-define (and chosen-one (list (cons x y) d _ new-edge-point))
(line-chooser points# lines# options))
(define-values (p# l#) (add-line chosen-one points# lines#))
(loop p# l# (cons (vector x y d new-edge-point) rv))]))))
;; [Render module code goes here]
(module main racket/base
(require (submod ".." render)
(submod ".." player)
pict
racket/class)
(define p (call-with-values (λ () (play-game random-line-chooser)) render-state))
p
(define bmp (pict->bitmap p))
(send bmp save-file "images/morpion.png" 'png))
'''Intermission:''' The render submodule just does drawing, and is not part of the solving. But the main module uses it, so we put it in here:
(module render racket
(require racket/match
racket/draw
pict
(submod ".." rules))
(provide display-state
render-state)
(define (min/max-point-coords p#)
(for/fold ((min-x #f) (min-y #f) (max-x #f) (max-y #f))
((k (in-hash-keys p#)))
(match-define (cons x y) k)
(if min-x
(values (min min-x x) (min min-y y) (max max-x x) (max max-y y))
(values x y x y))))
(define (draw-text/centered dc x y t ->x ->y)
(define-values (w h b v) (send dc get-text-extent t))
(send dc draw-text t (- (->x x) (* w 1/2)) (- (->y y) (* h 1/2))))
(define ((with-stored-dc-context draw-fn) dc w h)
(define old-brush (send dc get-brush))
(define old-pen (send dc get-pen))
(define old-font (send dc get-font))
(draw-fn dc w h)
(send* dc (set-brush old-brush) (set-pen old-pen) (set-font old-font)))
(define red-brush (new brush% [style 'solid] [color "red"]))
(define white-brush (new brush% [style 'solid] [color "white"]))
(define cyan-brush (new brush% [style 'solid] [color "cyan"]))
(define cyan-pen (new pen% [color "cyan"]))
(define black-pen (new pen% [color "black"]))
(define green-pen (new pen% [color "green"] [width 3]))
(define black-brush (new brush% [style 'solid] [color "black"]))
(define (render-state p# ls (o# (hash)))
(define-values (min-x min-y max-x max-y) (min/max-point-coords p#))
(define C 24)
(define R 8)
(define D (* R 2))
(define Rp 4)
(define (draw dc w h)
(define (->x x) (* C (- x min-x -1/2)))
(define (->y y) (* C (- y min-y -1/2 )))
(send dc set-brush cyan-brush)
(send dc set-pen cyan-pen)
(send dc set-font (make-object font% R 'default))
(for ((y (in-range min-y (add1 max-y))))
(send dc draw-line (->x min-x) (->y y) (->x max-x) (->y y))
(for ((x (in-range min-x (add1 max-x))))
(send dc draw-line (->x x) (->y min-y) (->x x) (->y max-y))))
(send dc set-pen black-pen)
(for ((l (in-list ls)))
(match-define (vector x y d (cons ex ey)) l)
(define-values (dx dy) (line-dx.dy d))
(define x1 (+ x (* 4 dx)))
(define y1 (+ y (* 4 dy)))
(send* dc (draw-line (->x x) (->y y) (->x x1) (->y y1))))
(for* ((y (in-range min-y (add1 max-y)))
(x (in-range min-x (add1 max-x))))
(define k (cons x y))
(cond [(hash-has-key? o# k)
(send dc set-brush red-brush)
(send dc draw-ellipse (- (->x x) R) (- (->y y) R) D D)]
[(hash-has-key? p# k)
(send dc set-brush white-brush)
(send dc draw-ellipse (- (->x x) R) (- (->y y) R) D D)]))
(send dc set-brush black-brush)
(for ((l (in-list ls))
(i (in-naturals 1)))
(match-define (vector _ _ d (cons ex ey)) l)
(define-values (dx dy) (line-dx.dy d))
(define R.dx (* R dx 0.6))
(define R.dy (* R dy 0.6))
(send* dc
(set-pen green-pen)
(draw-line (- (->x ex) R.dx) (- (->y ey) R.dy) (+ (->x ex) R.dx) (+ (->y ey) R.dy))
(set-pen black-pen))
(draw-text/centered dc ex ey (~a i) ->x ->y)))
(define P (dc (with-stored-dc-context draw) (* C (- max-x min-x -1)) (* C (- max-y min-y -1))))
(printf "~s~%~a points ~a lines~%" ls (hash-count p#) (length ls))
P)
(define (display-state p# l (o# (hash)))
(define-values (min-x min-y max-x max-y) (min/max-point-coords p#))
(for ((y (in-range min-y (add1 max-y)))
#:when (unless (= y min-y) (newline))
(x (in-range min-x (add1 max-x))))
(define k (cons x y))
(write-char
(cond [(hash-has-key? o# k) #\+]
[(hash-has-key? p# k) #\.]
[else #\space])))
(printf "~s~%~a points ~a lines~%" l (hash-count p#) (length l))))
{{out}}
[[File:Morpion racket.png|thumb|right|The Racket rendition of the output solution]]
Here is the text output of one run, and if you're (I'm) lucky, there's a picture attached:
(#(9 6 n (9 . 2)) #(4 3 w (4 . 3)) #(7 9 w (7 . 9)) #(8 3 w (5 . 3)) #(3 9 n (3 . 5))
#(0 7 n (0 . 7)) #(6 3 n (6 . -1)) #(7 0 w (7 . 0)) #(3 3 n (3 . -1)) #(4 6 w (4 . 6))
#(2 6 ne (4 . 4)) #(6 9 n (6 . 5)) #(0 4 ne (2 . 2)) #(9 4 nw (7 . 2)) #(8 6 w (5 . 6))
#(4 9 nw (2 . 7)) #(7 9 nw (5 . 7)) #(7 6 nw (5 . 4)) #(2 7 ne (4 . 5)) #(7 3 nw (5 . 1))
#(5 7 n (5 . 5)) #(7 5 w (7 . 5)) #(5 6 ne (7 . 4)) #(6 7 nw (3 . 4)) #(0 7 ne (2 . 5))
#(7 7 nw (7 . 7)) #(6 8 ne (10 . 4)) #(2 6 n (2 . 4)) #(5 7 ne (8 . 4)) #(5 4 w (1 . 4))
#(1 4 ne (4 . 1)) #(7 7 w (4 . 7)) #(4 9 n (4 . 8)) #(7 4 n (7 . 1)) #(7 4 nw (5 . 2))
#(11 4 w (11 . 4)) #(7 9 n (7 . 8)) #(5 3 n (5 . -1)) #(7 2 w (4 . 2)) #(8 6 nw (6 . 4))
#(7 8 w (5 . 8)) #(3 10 ne (3 . 10)) #(5 9 nw (1 . 5)) #(4 3 ne (8 . -1))
#(-1 7 ne (-1 . 7)) #(1 6 n (1 . 2)) #(6 1 w (2 . 1)) #(10 4 nw (8 . 2)) #(3 5 w (-1 . 5))
#(8 6 n (8 . 5)) #(-1 4 ne (-1 . 4)) #(5 5 ne (9 . 1)) #(3 6 nw (-1 . 2)) #(3 3 ne (7 . -1))
#(7 -1 w (4 . -1)) #(7 10 nw (7 . 10)) #(3 2 w (0 . 2)) #(3 5 nw (-1 . 1)) #(-1 5 n (-1 . 3))
#(3 7 w (1 . 7)) #(3 9 nw (2 . 8)) #(1 9 ne (1 . 9)) #(4 2 n (4 . -2)))
99 points 63 lines
REXX
This REXX program is an attempt to play (badly, and with random moves) the game of Morpion solitaire by a computer.
The program also allows a carbon-based life form (er, that is, a human) to play.
This is a work in progress and currently doesn't log the moves in the manner asked for by this task.
The moves are marked by ''' 0123456789ABC...XYZabc...xyz()[]{}<>«» ''' and thereafter by a plus sign (+) on the board which is shown in 2D.
This allows 73 unique moves to be shown on the board (or grid), but all moves are also logged to a file.
Currently, the computer tries to start the game (with sixteen moves) by the assumptions I made, which clearly aren't worth a tinker's dam.
This program allows the D or T forms of the game, and allows any board size (grid size) of three or higher.
The default games is 5T
/*REXX program to play Morpion solitaire, the default is the 5T version.*/
signal on syntax; signal on novalue /*handle REXX program errors. */
quiet=0; oFID='MORPION'
arg game player . /*see if a person wants to play. */
if game=='' | game==',' then game='5T' /*Not specified? Then use default*/
prompt= /*null string is used for ERR ret*/
TorD='T (touching) ───or─── D (disjoint).' /*valid games types (T | D).*/
gT=right(game,1) /*T = touching ─or─ D = disjoint.*/
if \datatype(gT,'U') | verify(gT,gT)\==0 then call err 'game gT not' gT
gS=left(game,length(game)-1) /*gS=Game Size (line len for win)*/
if \datatype(gS,'W') then call err "game size isn't numeric:" gS
gS=gS/1
if gS<3 then call err "grid size is too small:" gS
sw=linesize()-1
indent=left('',max(0,sw-gS-10)%2) /*indentation used board display.*/
empty='fa'x /*the empty grid point symbol. */
@.=empty /*field (grid) is infinite. */
gC= /*GreeK cross character or null. */
CBLF=player\=='' /*carbon-based lifeform ? */
if CBLF then oFID=player /*oFID is used for the game log. */
oFID=oFID'.LOG' /*fulltype for the LOG's filename*/
prompt='enter X,Y point and an optional character for placing on board',
'(or Quit):'; prompt=right(prompt,sw,'─') /*right justify it.*/
call GreekCross
jshots=Gshots
do turns=1 for 1000
if CBLF then do
call t prompt; pull stuff; stuff=translate(stuff,,',')
parse var stuff px py p
_=px; upper _; if abbrev('QUIT',_,1) then exit
if stuff=='' then do; call display; iterate; end
call mark px,py
end /*if CBLF*/
else do; quiet=1
shot=translate(word(Gshots,turn),,',')
if shot=='' then do 50
xr=loX-1+random(0,hiX-loX+2)
yr=loY-1+random(0,hiY-loY+2)
if @.xr.yr\==empty then iterate
if \neighbor(xr,yr) then iterate
shot=xr yr
end
call mark word(shot,1),word(shot,2)
end
end /*turns*/
call t '* number of wins =' wins
exit wins /*stick a fork in it, we're done.*/
/*───────────────────────────────error handling subroutines and others.─*/
err: if \quiet then do; call t; call t
call t center(' error! ',max(40,linesize()%2),"*"); call t
do j=1 for arg(); call t arg(j); call t; end; call t
end
if prompt=='' then exit 13; return
novalue: syntax: prompt=; quiet=0
call err 'REXX program' condition('C') "error",,
condition('D'),'REXX source statement (line' sigl"):",,
sourceline(sigl)
t: say arg(1); call lineout oFID,arg(1); return
Gshot: Gshots=Gshots arg(1)','arg(2); return
tranGC: if gC=='' then return arg(1); return translate(arg(1),copies(gC,12),'┌┐└┘│─╔╗╚╝║═')
/*─────────────────────────────────────GREEKCROSS subroutine────────────*/
GreekCross: wins=0; loX=-1; hiX=0; LB=gS-1 /*Low Bar*/
lintel=LB-2; turn=1; loY=-1; hiY=0; ht=4+3*(LB-2) /*─ ─ */
Gshots=; nook=gS-2; Hnook=ht-nook+1; TB=ht-LB+1 /*Top Bar*/
/*─ ─ */
do y=1 for ht; _top='╔'copies('═',lintel)'╗' ; _top=tranGC(_top)
_bot='╚'copies('═',lintel)'╝' ; _bot=tranGC(_bot)
_hib='╔'copies('═',lintel)'╝'left('',lintel)'╚'copies('═',lintel)'╗' ; _hib=tranGC(_hib)
_lob='╚'copies('═',lintel)'╗'left('',lintel)'╔'copies('═',lintel)'╝' ; _lob=tranGC(_lob)
_sid='║' ; _sid=tranGC(_sid)
select
when y==1 then do x=1 for LB; call place x+LB-1,y,substr(_bot,x,1); end
when y==ht then do x=1 for LB; call place x+LB-1,y,substr(_top,x,1); end
when y==LB then do x=1 for ht; if x>LB & x<TB then iterate; call place x,y,substr(_lob,x,1); end
when y==TB then do x=1 for ht; if x>LB & x<TB then iterate; call place x,y,substr(_hib,x,1); end
when y>LB & y<TB then do x=1 by ht-1 for 2; call place x,y,_sid; end
otherwise do x=LB by TB-LB for 2; call place x,y,_sid; end
end /*select*/
end /*y*/
@abc='abcdefghijklmnopqrstuvwxyz'; @chars='0123456789'translate(@abc)||@abc
@chars=@chars'()[]{}<>«»' /*can't contain "empty", ?, blank*/
call display
call Gshot nook , nook ; call Gshot nook , Hnook
call Gshot Hnook , nook ; call Gshot Hnook , Hnook
call Gshot gS , LB ; call Gshot gS , TB
call Gshot ht-LB , LB ; call Gshot ht-LB , TB
call Gshot LB , gS ; call Gshot TB , gS
call Gshot LB , TB-1 ; call Gshot TB , TB-1
call Gshot 1 , TB+1 ; call Gshot ht , TB+1
call Gshot TB+1 , 1 ; call Gshot TB+1 , ht
return
/*─────────────────────────────────────DISPLAY subroutine───────────────*/
display: call t; do y=hiY to loY by -1; _=indent /*start at a high Y.*/
do x=loX to hiX /*build an "X" line.*/
[email protected]; xo=x==0; yo=y==0
if !==empty then do /*grid transformation*/
if xo then !='|'
if xo & y//5 ==0 then !='├'
if xo & y//10==0 then !='╞'
if yo then !='─'
if yo & x//5 ==0 then !='┴'
if yo & x//10==0 then !='╨'
if xo & yo then !='┼'
end
_=_ || !
end /*x*/
call t _ /*...and display it.*/
end /*y*/
if wins==0 then call t copies('═',sw)
else call t right('count of (above) wins =' wins,sw,'═')
call t
return
/*─────────────────────────────────────PLACE subroutine─────────────────*/
place: parse arg xxp,yyp /*place a marker (point) on grid.*/
loX=min(loX,xxp); hiX=max(hiX,xxp)
loY=min(loY,yyp); hiY=max(hiY,yyp); @.xxp.yyp=arg(3)
return
/*─────────────────────────────────────MARK subroutine──────────────────*/
mark: parse arg xx,yy,pointChar /*place marker, check for errors.*/
if pointChar=='' then pointChar=word(substr(@chars,turn,1) '+',1)
xxcyy=xx','yy; _.1=xx; _.2=yy
do j=1 for 2; XorY=substr('XY',j,1) /*make sure X and Y are integers.*/
if _.j=='' then do; call err XorY "wasn't specified." ; return 0; end
if \datatype(_.j,'N') then do; call err XorY "isn't numeric:" _.j ; return 0; end
if \datatype(_.j,'W') then do; call err XorY "isn't an integer:" _.j; return 0; end
end
xx=xx/1; yy=yy/1 /*normalize integers: + 7 or 5.0*/
if pointChar==empty |,
pointChar=='?' then do; call err 'illegal point character:' pointChar; return 0; end
if @.xx.yy\==empty then do; call err 'point' xxcyy 'is already occupied.'; return 0; end
if \neighbor(xx,yy) then do; call err "point" xxcyy "is a bad move." ; return 0; end
call place xx,yy,'?'
newWins=countWins()
if newWins==0 then do; call err "point" xxcyy "isn't a good move."
@.xx.yy=empty
return 0
end
call t "move" turn ' ('xx","yy') with "'pointChar'"'
wins=wins+newWins; @.xx.yy=pointChar; call display; turn=turn+1
return 1
/*─────────────────────────────────────NEIGHBOR subroutine──────────────*/
neighbor: parse arg a,b; am=a-1; ap=a+1
bm=b-1; bp=b+1
return @.am.b \== empty | @.am.bm \== empty |,
@.ap.b \== empty | @.am.bp \== empty |,
@.a.bm \== empty | @.ap.bm \== empty |,
@.a.bp \== empty | @.ap.bp \== empty
/*─────────────────────────────────────COUNTALINE subroutine────────────*/
countAline: arg z ; L=length(z)
if L>gS then do; if gT=='D' then return 0 /*longlines ¬ kosker for D*/
parse var z z1 '?' z2 /*could be xxxxx?xxxx */
return length(z1)==4 | length(z2)==4
end
return L==gS
/*─────────────────────────────────────COUNTWINS subroutine─────────────*/
countWins: eureka=0; y=yy /*count horizontal/vertical/diagonal wins.*/
[email protected]
do x=xx+1; if @.x.y==empty then leave; z=z||@.x.y; end
do x=xx-1 by -1; if @.x.y==empty then leave; [email protected]||z; end
eureka=eureka+countAline(z) /*─────────count wins in horizontal line. */
x=xx
[email protected]
do y=yy+1; if @.x.y==empty then leave; z=z||@.x.y; end
do y=yy-1 by -1; if @.x.y==empty then leave; [email protected]||z; end
eureka=eureka+countAline(z) /*─────────count wins in vertical line. */
x=xx
[email protected]
do y=yy+1; x=x+1; if @.x.y==empty then leave; z=z||@.x.y; end
x=xx
do y=yy-1 by -1; x=x-1; if @.x.y==empty then leave; [email protected]||z; end
eureka=eureka+countAline(z) /*───────count diag wins: up&>, down&< */
x=xx
[email protected]
do y=yy+1; x=x-1; if @.x.y==empty then leave; z=z||@.x.y; end
x=xx
do y=yy-1 by -1; x=x+1; if @.x.y==empty then leave; z=z||@.x.y; end
return eureka+countAline(z) /*───────count diag wins: up&<, down&> */
This REXX program makes use of '''LINESIZE''' REXX program (or BIF) which is used to determine the screen width (or linesize) of the terminal (console).
The '''LINESIZE.REX''' REXX program is included here ──► [[LINESIZE.REX]].
'''output''' when running 1,500 trials, the highest win was a meager 44 (four games, all different), and one of them is shown below.
·╞···╔══╗···
·|···║··║···
·|···║··║···
·|╔══╝··╚══╗
·|║········║
·├║········║
·|╚══╗··╔══╝
·|···║··║···
·|···║··║···
·|···╚══╝···
─┼────┴────╨
·|··········
═══════════════════════════════════════════════════════════════════════════════
move 1 (3,3) with "0"
... previous 46 moves elided ... above is the initial board (grid) ...
--- the next line means: 47th move, position=9,9 marked with an "k" ---
move 47 (9,9) with "k"
·|············
·|··iQagP·····
·╞j·d╔══╗F····
·|·hO║NL║ck···
·|CZ1║bK║3MD··
·X╔══╝57╚══╗f·
·|║YHASGBJR║··
·├║UT8I·9·e║··
·|╚══╗46╔══╝··
·V··0║W·║2····
·|···║··║·····
·|···╚══╝E····
─┼────┴────╨──
·|············
═════════════════════════════════════════════════════ count of (above) wins = 47
* number of wins = 47
```