N=10;
M=10;
stairs=[|1,0,0,0,1,1,0,1,1,0|
1,1,0,0,1,0,1,0,0,0|
1,1,1,1,1,1,1,1,0,0|
1,1,1,1,0,0,1,0,1,1|
1,1,1,0,1,0,1,1,1,1|
1,1,0,0,1,0,1,1,1,1|
1,1,0,1,1,0,1,0,0,0|
1,1,0,0,0,1,1,0,1,1|
1,1,1,0,0,0,1,1,0,1|
1,1,1,1,0,1,0,0,1,1|];
number=[|3,8,8,4,8,9,4,10,4,7|
3,10,5,4,1,10,4,6,4,1|
3,9,5,8,6,4,7,8,7,10|
9,7,1,1,6,4,7,1,7,3|
1,8,3,3,3,3,8,5,3,8|
4,8,10,10,6,7,7,9,7,6|
4,7,10,7,8,2,10,8,9,10|
2,2,3,4,2,1,2,5,7,6|
6,10,5,6,3,3,1,6,4,4|
8,3,7,6,2,3,3,2,1,1|];
p=8;