20
00000000000000000000
01110000010000000000
01010000011000000000
01010000001111111110
01111000001111000010
01111111001111000010
01111001111000000010
01000000100000011110
01000011100010011110
01000011111110011110
01000011100011111110
01111110000010000100
00001110000010000100
00001110000011111100
00000010000001111000
00000010000001111000
01110010000001111000
01111111111111000000
01111000010000000000
00000000000000000000
10 19
10 2