Playing 15 puzzle game written in Gisp

puzzle15.log

$ ./puzzle15.gisp


   7  3  4  
2  11 8  12 
1  13 6  15 
5  9  14 10 
Enter a move: (down right)
down


2  7  3  4  
   11 8  12 
1  13 6  15 
5  9  14 10 
Enter a move: (up down right)
down


2  7  3  4  
1  11 8  12 
   13 6  15 
5  9  14 10 
Enter a move: (up down right)
right


2  7  3  4  
1  11 8  12 
13    6  15 
5  9  14 10 
Enter a move: (up down left right)
up


2  7  3  4  
1     8  12 
13 11 6  15 
5  9  14 10 
Enter a move: (up down left right)
up


2     3  4  
1  7  8  12 
13 11 6  15 
5  9  14 10 
Enter a move: (down left right)
left


   2  3  4  
1  7  8  12 
13 11 6  15 
5  9  14 10 
Enter a move: (down right)
down


1  2  3  4  
   7  8  12 
13 11 6  15 
5  9  14 10 
Enter a move: (up down right)
down


1  2  3  4  
13 7  8  12 
   11 6  15 
5  9  14 10 
Enter a move: (up down right)
down


1  2  3  4  
13 7  8  12 
5  11 6  15 
   9  14 10 
Enter a move: (up right)
right


1  2  3  4  
13 7  8  12 
5  11 6  15 
9     14 10 
Enter a move: (up left right)
up


1  2  3  4  
13 7  8  12 
5     6  15 
9  11 14 10 
Enter a move: (up down left right)
right


1  2  3  4  
13 7  8  12 
5  6     15 
9  11 14 10 
Enter a move: (up down left right)
right


1  2  3  4  
13 7  8  12 
5  6  15    
9  11 14 10 
Enter a move: (up down left)
up


1  2  3  4  
13 7  8     
5  6  15 12 
9  11 14 10 
Enter a move: (up down left)
left


1  2  3  4  
13 7     8  
5  6  15 12 
9  11 14 10 
Enter a move: (up down left right)
left


1  2  3  4  
13    7  8  
5  6  15 12 
9  11 14 10 
Enter a move: (up down left right)
down


1  2  3  4  
13 6  7  8  
5     15 12 
9  11 14 10 
Enter a move: (up down left right)
right


1  2  3  4  
13 6  7  8  
5  15    12 
9  11 14 10 
Enter a move: (up down left right)
right


1  2  3  4  
13 6  7  8  
5  15 12    
9  11 14 10 
Enter a move: (up down left)
up


1  2  3  4  
13 6  7     
5  15 12 8  
9  11 14 10 
Enter a move: (up down left)
left


1  2  3  4  
13 6     7  
5  15 12 8  
9  11 14 10 
Enter a move: (up down left right)
left


1  2  3  4  
13    6  7  
5  15 12 8  
9  11 14 10 
Enter a move: (up down left right)
left


1  2  3  4  
   13 6  7  
5  15 12 8  
9  11 14 10 
Enter a move: (up down right)
down


1  2  3  4  
5  13 6  7  
   15 12 8  
9  11 14 10 
Enter a move: (up down right)
right


1  2  3  4  
5  13 6  7  
15    12 8  
9  11 14 10 
Enter a move: (up down left right)
up


1  2  3  4  
5     6  7  
15 13 12 8  
9  11 14 10 
Enter a move: (up down left right)
right


1  2  3  4  
5  6     7  
15 13 12 8  
9  11 14 10 
Enter a move: (up down left right)
right


1  2  3  4  
5  6  7     
15 13 12 8  
9  11 14 10 
Enter a move: (up down left)
down


1  2  3  4  
5  6  7  8  
15 13 12    
9  11 14 10 
Enter a move: (up down left)
left


1  2  3  4  
5  6  7  8  
15 13    12 
9  11 14 10 
Enter a move: (up down left right)
down


1  2  3  4  
5  6  7  8  
15 13 14 12 
9  11    10 
Enter a move: (up left right)
left


1  2  3  4  
5  6  7  8  
15 13 14 12 
9     11 10 
Enter a move: (up left right)
up


1  2  3  4  
5  6  7  8  
15    14 12 
9  13 11 10 
Enter a move: (up down left right)
left


1  2  3  4  
5  6  7  8  
   15 14 12 
9  13 11 10 
Enter a move: (up down right)
down


1  2  3  4  
5  6  7  8  
9  15 14 12 
   13 11 10 
Enter a move: (up right)
right


1  2  3  4  
5  6  7  8  
9  15 14 12 
13    11 10 
Enter a move: (up left right)
up


1  2  3  4  
5  6  7  8  
9     14 12 
13 15 11 10 
Enter a move: (up down left right)
right


1  2  3  4  
5  6  7  8  
9  14    12 
13 15 11 10 
Enter a move: (up down left right)
right


1  2  3  4  
5  6  7  8  
9  14 12    
13 15 11 10 
Enter a move: (up down left)
down


1  2  3  4  
5  6  7  8  
9  14 12 10 
13 15 11    
Enter a move: (up left)
left


1  2  3  4  
5  6  7  8  
9  14 12 10 
13 15    11 
Enter a move: (up left right)
up


1  2  3  4  
5  6  7  8  
9  14    10 
13 15 12 11 
Enter a move: (up down left right)
right


1  2  3  4  
5  6  7  8  
9  14 10    
13 15 12 11 
Enter a move: (up down left)
down


1  2  3  4  
5  6  7  8  
9  14 10 11 
13 15 12    
Enter a move: (up left)
left


1  2  3  4  
5  6  7  8  
9  14 10 11 
13 15    12 
Enter a move: (up left right)
left


1  2  3  4  
5  6  7  8  
9  14 10 11 
13    15 12 
Enter a move: (up left right)
up


1  2  3  4  
5  6  7  8  
9     10 11 
13 14 15 12 
Enter a move: (up down left right)
right


1  2  3  4  
5  6  7  8  
9  10    11 
13 14 15 12 
Enter a move: (up down left right)
right


1  2  3  4  
5  6  7  8  
9  10 11    
13 14 15 12 
Enter a move: (up down left)
right
Invalid move - try again


1  2  3  4  
5  6  7  8  
9  10 11    
13 14 15 12 
Enter a move: (up down left)
down

COMPLETED PUZZLE in 50 moves