a=9 b=0 N=24 solution #1 (g=864): 0: 000000000 1: 000000111 2: 000111000 3: 001011011 4: 001101101 5: 001110110 6: 010011110 7: 010101011 8: 010110101 9: 011001100 10: 011010001 11: 011100010 12: 100011101 13: 100101110 14: 100110011 15: 101001010 16: 101010100 17: 101100001 18: 110001001 19: 110010010 20: 110100100 21: 111000111 22: 111111000 23: 111111111 That was all - 1 solution