11111111000000000111
111111110z0000000111
1v<vv<v1000000000111
1vvv1vv1111111000111
11vvvvvvv1vvv1000111
11v1v1vvvvv1vv0d0111
1vvv<v1vv1vvvv000111
1<1vvvv<vvvvvv000111
1vvvvvv1v11111000111
1vv<vvvvv10000000111
11111vvvvv0000000111
11111111110000000111

000000000bb0b0000000
00000000b00Fb0F00000
00000000000bb0000000
00000000000000000000
000000000000000F0000
00000000000000000000
00000000000c00000000
000000000000000F0000
00000000000000000000
00000000000000000000
00000000000F00Fb0000
00000000000000b00000

15
10
1