00000000000000000000
00000000000000000000
00000000000000000000
00000000110000000000
00000000110000110000
00000000110000110000
00000000110000000000
00000000110001111000
00000000110011001100
00000000110110000110
00000000111000000011
11111111111111111111
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
=