a=10 b=0 N=24 solution #1 (g=2880): 0: 0000000000 1: 0000001111 2: 0001110001 3: 0010110110 4: 0011011010 5: 0011101101 6: 0100111100 7: 0101010111 8: 0101101010 9: 0110011001 10: 0110100011 11: 0111000100 12: 1000111011 13: 1001011100 14: 1001100110 15: 1010010101 16: 1010101000 17: 1011000011 18: 1100010010 19: 1100100101 20: 1101001001 21: 1110001110 22: 1111110000 23: 1111111111 That was all - 1 solution