20
20
0s011111111110001100
011111000100111r1110
00001000111010010010
1111111v101010111110
10100001001r10100100
10101011011010000100
1r111010010011111v00
100000v111000v000000
101111101011111v1110
10010000100100010010
1001v000100101110010
11001111111v01000110
01110100000101000100
00010v11001111011100
00010101101000010000
00011100101111110000
001v0000100100010000
00111100100100011110
00000111111100000010
000000000000000000j0