11111100111111111000
1111110011111vvvv000
111000vvvvvv1vvvv000
111000vvvvvvvvv11100
111001vv11vvvvv11111
111111vv111111100011
1111100001111110z001
111110yy0vvvv1000001
111110yy0vvvvv000001
111110yy011vvv000001
11111100011111111111
11111111111111111111

0000000t0000000000b0
0000000000000000000b
000tb0000000000000t0
0000t000000000000000
000t0000000000000000
00000000000000000000
000000000000000b0b00
00000t00t00000000bt0
000000b000000000b000
00000000000000t00t00
00000000t00000000000
00000000000000000000

15
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1