6 21
000000000000000000000001110010001110000010
000000000000000000000001110010000011110000
000000000000000000000000000000000000000000
000000000000000000000001100010110100000110
000000000000000000000000111000110011110001
000000000000000000000000111000110011110001
000000000000000000000000110000010110110101
000000000000000000000000101000101000111010
000000000000000000000001000000110001100010
000000000000000000000000000000011101000111
000000000000000000000001100010100100110011
000000000000000000000001000010100010111110