a=7 b=0 N=32 solution #1 (g=2688): 0: 0000000 1: 0000000 2: 0000111 3: 0000111 4: 0011001 5: 0011001 6: 0011110 7: 0011110 8: 0101010 9: 0101010 10: 0101101 11: 0101101 12: 0110011 13: 0110011 14: 0110100 15: 0110100 16: 1001011 17: 1001011 18: 1001100 19: 1001100 20: 1010010 21: 1010010 22: 1010101 23: 1010101 24: 1100001 25: 1100001 26: 1100110 27: 1100110 28: 1111000 29: 1111000 30: 1111111 31: 1111111 solution #2 (g=384): 0: 0000000 1: 0000000 2: 0000111 3: 0000111 4: 0011001 5: 0011001 6: 0011110 7: 0011110 8: 0101010 9: 0101011 10: 0101100 11: 0101101 12: 0110010 13: 0110011 14: 0110100 15: 0110101 16: 1001010 17: 1001011 18: 1001100 19: 1001101 20: 1010010 21: 1010011 22: 1010100 23: 1010101 24: 1100001 25: 1100001 26: 1100110 27: 1100110 28: 1111000 29: 1111000 30: 1111111 31: 1111111 solution #3 (g=1536): 0: 0000000 1: 0000001 2: 0000110 3: 0000111 4: 0011000 5: 0011001 6: 0011110 7: 0011111 8: 0101010 9: 0101011 10: 0101100 11: 0101101 12: 0110010 13: 0110011 14: 0110100 15: 0110101 16: 1001010 17: 1001011 18: 1001100 19: 1001101 20: 1010010 21: 1010011 22: 1010100 23: 1010101 24: 1100000 25: 1100001 26: 1100110 27: 1100111 28: 1111000 29: 1111001 30: 1111110 31: 1111111 solution #4 (g=96): 0: 0000000 1: 0000000 2: 0000111 3: 0000111 4: 0011001 5: 0011010 6: 0011101 7: 0011110 8: 0101001 9: 0101011 10: 0101100 11: 0101110 12: 0110010 13: 0110011 14: 0110100 15: 0110101 16: 1001010 17: 1001011 18: 1001100 19: 1001101 20: 1010001 21: 1010011 22: 1010100 23: 1010110 24: 1100001 25: 1100010 26: 1100101 27: 1100110 28: 1111000 29: 1111000 30: 1111111 31: 1111111 solution #5 (g=128): 0: 0000000 1: 0000001 2: 0000110 3: 0000111 4: 0011000 5: 0011010 6: 0011101 7: 0011111 8: 0101001 9: 0101011 10: 0101100 11: 0101110 12: 0110010 13: 0110011 14: 0110100 15: 0110101 16: 1001010 17: 1001011 18: 1001100 19: 1001101 20: 1010001 21: 1010011 22: 1010100 23: 1010110 24: 1100000 25: 1100010 26: 1100101 27: 1100111 28: 1111000 29: 1111001 30: 1111110 31: 1111111 solution #6 (g=64): 0: 0000000 1: 0000001 2: 0000110 3: 0000111 4: 0011000 5: 0011011 6: 0011101 7: 0011110 8: 0101000 9: 0101011 10: 0101101 11: 0101110 12: 0110010 13: 0110011 14: 0110100 15: 0110101 16: 1001010 17: 1001011 18: 1001100 19: 1001101 20: 1010001 21: 1010010 22: 1010100 23: 1010111 24: 1100001 25: 1100010 26: 1100100 27: 1100111 28: 1111000 29: 1111001 30: 1111110 31: 1111111 solution #7 (g=128): 0: 0000000 1: 0000001 2: 0000110 3: 0000111 4: 0011000 5: 0011011 6: 0011101 7: 0011110 8: 0101001 9: 0101010 10: 0101100 11: 0101111 12: 0110010 13: 0110011 14: 0110100 15: 0110101 16: 1001010 17: 1001011 18: 1001100 19: 1001101 20: 1010001 21: 1010010 22: 1010100 23: 1010111 24: 1100000 25: 1100011 26: 1100101 27: 1100110 28: 1111000 29: 1111001 30: 1111110 31: 1111111 solution #8 (g=2304): 0: 0000000 1: 0000011 2: 0000101 3: 0000110 4: 0011000 5: 0011011 6: 0011101 7: 0011110 8: 0101000 9: 0101011 10: 0101101 11: 0101110 12: 0110000 13: 0110011 14: 0110101 15: 0110110 16: 1001001 17: 1001010 18: 1001100 19: 1001111 20: 1010001 21: 1010010 22: 1010100 23: 1010111 24: 1100001 25: 1100010 26: 1100100 27: 1100111 28: 1111001 29: 1111010 30: 1111100 31: 1111111 solution #9 (g=1152): 0: 0000000 1: 0000011 2: 0000101 3: 0000110 4: 0011000 5: 0011011 6: 0011101 7: 0011110 8: 0101000 9: 0101011 10: 0101101 11: 0101110 12: 0110001 13: 0110010 14: 0110100 15: 0110111 16: 1001000 17: 1001011 18: 1001101 19: 1001110 20: 1010001 21: 1010010 22: 1010100 23: 1010111 24: 1100001 25: 1100010 26: 1100100 27: 1100111 28: 1111001 29: 1111010 30: 1111100 31: 1111111 solution #10 (g=192): 0: 0000000 1: 0000011 2: 0000101 3: 0000110 4: 0011000 5: 0011011 6: 0011101 7: 0011110 8: 0101000 9: 0101011 10: 0101101 11: 0101110 12: 0110001 13: 0110010 14: 0110100 15: 0110111 16: 1001001 17: 1001010 18: 1001100 19: 1001111 20: 1010000 21: 1010011 22: 1010101 23: 1010110 24: 1100001 25: 1100010 26: 1100100 27: 1100111 28: 1111001 29: 1111010 30: 1111100 31: 1111111 solution #11 (g=1536): 0: 0000000 1: 0000011 2: 0000101 3: 0000110 4: 0011000 5: 0011011 6: 0011101 7: 0011110 8: 0101001 9: 0101010 10: 0101100 11: 0101111 12: 0110001 13: 0110010 14: 0110100 15: 0110111 16: 1001001 17: 1001010 18: 1001100 19: 1001111 20: 1010001 21: 1010010 22: 1010100 23: 1010111 24: 1100000 25: 1100011 26: 1100101 27: 1100110 28: 1111000 29: 1111011 30: 1111101 31: 1111110 solution #12 (g=84): 0: 0000000 1: 0000000 2: 0000111 3: 0001011 4: 0010101 5: 0011010 6: 0011101 7: 0011110 8: 0100111 9: 0101001 10: 0101100 11: 0101110 12: 0110010 13: 0110011 14: 0110100 15: 0111001 16: 1000110 17: 1001011 18: 1001100 19: 1001101 20: 1010001 21: 1010011 22: 1010110 23: 1011000 24: 1100001 25: 1100010 26: 1100101 27: 1101010 28: 1110100 29: 1111000 30: 1111111 31: 1111111 solution #13 (g=16): 0: 0000000 1: 0000001 2: 0000110 3: 0001010 4: 0010101 5: 0011011 6: 0011100 7: 0011111 8: 0100111 9: 0101001 10: 0101101 11: 0101110 12: 0110010 13: 0110011 14: 0110100 15: 0111000 16: 1000111 17: 1001011 18: 1001100 19: 1001101 20: 1010001 21: 1010010 22: 1010110 23: 1011000 24: 1100000 25: 1100011 26: 1100100 27: 1101010 28: 1110101 29: 1111001 30: 1111110 31: 1111111 solution #14 (g=48): 0: 0000000 1: 0000001 2: 0000110 3: 0001011 4: 0010101 5: 0011010 6: 0011100 7: 0011111 8: 0100111 9: 0101000 10: 0101101 11: 0101110 12: 0110010 13: 0110011 14: 0110100 15: 0111001 16: 1000111 17: 1001010 18: 1001100 19: 1001101 20: 1010000 21: 1010011 22: 1010110 23: 1011001 24: 1100001 25: 1100010 26: 1100100 27: 1101011 28: 1110101 29: 1111000 30: 1111110 31: 1111111 solution #15 (g=96): 0: 0000000 1: 0000001 2: 0000110 3: 0001011 4: 0010101 5: 0011010 6: 0011101 7: 0011110 8: 0100111 9: 0101000 10: 0101100 11: 0101111 12: 0110010 13: 0110011 14: 0110100 15: 0111001 16: 1000110 17: 1001011 18: 1001100 19: 1001101 20: 1010000 21: 1010011 22: 1010111 23: 1011000 24: 1100001 25: 1100010 26: 1100101 27: 1101010 28: 1110100 29: 1111001 30: 1111110 31: 1111111 solution #16 (g=128): 0: 0000000 1: 0000011 2: 0000101 3: 0001010 4: 0010100 5: 0011011 6: 0011101 7: 0011110 8: 0100110 9: 0101001 10: 0101100 11: 0101111 12: 0110001 13: 0110010 14: 0110111 15: 0111000 16: 1000110 17: 1001001 18: 1001100 19: 1001111 20: 1010001 21: 1010010 22: 1010111 23: 1011000 24: 1100000 25: 1100011 26: 1100101 27: 1101010 28: 1110100 29: 1111011 30: 1111101 31: 1111110 solution #17 (g=384): 0: 0000000 1: 0000011 2: 0000101 3: 0001010 4: 0010100 5: 0011011 6: 0011101 7: 0011110 8: 0100110 9: 0101001 10: 0101100 11: 0101111 12: 0110001 13: 0110010 14: 0110111 15: 0111000 16: 1000111 17: 1001000 18: 1001101 19: 1001110 20: 1010000 21: 1010011 22: 1010110 23: 1011001 24: 1100001 25: 1100010 26: 1100100 27: 1101011 28: 1110101 29: 1111010 30: 1111100 31: 1111111 That was all - 17 solutions