updown/p/029.txt

0  0  0  0  0  0  0  0  0  0 
0  0  0  0  0  0  0  0  0  0 
1  0  0  13  0  14  0  0  0  0 
1  0  0  14  15  0  0  0  0  15 
2  0  0  14  14  14  0  0  0  15 
0  0  0  14  14  14  15  0  15  15 
0  0  0  13  13  14  14  0  0  15 
1  0  0  0  0  13  0  0  0  0 
0  0  0  13  0  1  0  0  0  0 
0  0  0  0  0  0  0  0  0  0