An M2(12,12,21,13)
100000000000*000111011111*001110111111*000011011111*001001111111*010011111111*000111111111*001001111111*010000111111*001000110111*011010111111*011111111111
000001111111*100000000000*000111110110*001111111101*001011101010*010010111010*000110111010*000101011101*010101110110*001101111010*011111111010*010011110110
000111011010*011000111101*100000000000*001111111010*001111111001*000110110110*001111110110*001011101010*000110111010*001010111110*011100011101*010100111010
000011101101*011111101010*000011111010*100000000000*001011110110*001001101001*000111101001*001101110110*010011011101*001100011101*001100101000*011011011101
000101101000*011001110110*001111101001*000011100110*100000000000*001101011100*000000100100*000010111000*010111101000*001101101000*010101110110*001001010000
000001010110*011101001000*000010100100*001111101000*000110100100*100000000000*001011100000*000011100100*010010100100*000001010000*011011100100*001111101000
000010110100*011011111000*000111011100*000001010100*000110100000*010111010000*100000000000*001000100000*000100100000*001111100100*011010100000*001011001000
000100110000*011100110000*000001010000*000011100000*001001100000*010010100100*001011011100*100000000000*000011010000*000100100000*001100100000*001100100100
000111010000*010000100100*000100100000*000100110000*000011011100*010000100000*000010100000*000011010000*100000000000*000001010000*001100010000*000000100000
000000001000*010001010000*001001100000*000010100000*001000010000*011001100000*000111010000*001010100000*000010100000*100000000000*000011010000*001111100000
000110000000*010111000000*000011001000*001101010000*000101010000*000111001000*000101001000*001100010000*010010010000*000101001000*100000000000*000010010000
000001000000*010010000000*000100010000*000011001000*000011001000*001100010000*001010010000*001001001000*000010001000*001010100000*010110001000*100000000000
010000000000*010000000000*000110000000*000100000000*001100000000*000010000000*001110000000*001110000000*000101000000*000110000000*000011000000*011010000000
000010100000*001010100000*010000000000*000110000000*001111000000*011001000000*001011000000*000111000000*010111000000*001011000000*000010000000*011101000000
000101000000*001001000000*001101000000*010000000000*000010000000*010110000000*001010000000*000110000000*000100000000*000010000000*011001000000*001010000000
000110000000*000110000000*001000000000*001001000000*010000000000*010000000000*001000000000*001000000000*000100000000*000110000000*000100000000*010100000000
000010000000*000000000000*001000000000*001000000000*001010000000*000000000000*010000000000*001000000000*010100000000*000100000000*010100000000*000000000000
000000000000*000000000000*001100000000*000010000000*000000000000*001000000000*001000000000*010000000000*010000000000*000000000000*000100000000*010000000000
000100000000*000000000000*001000000000*000100000000*000000000000*000000000000*000000000000*001000000000*000010000000*010000000000*010000000000*010000000000
001000000000*001000000000*000010000000*001000000000*001000000000*001000000000*001000000000*001000000000*000000000000*000000000000*000000000000*000100000000
000000000000*000100000000*000000000000*000000000000*000100000000*000100000000*000100000000*000100000000*001000000000*001000000000*001000000000*001000000000
'*' separates the blocks.