reject 0 reject 1 reject 00 01 10 11 000 001 011 reject 100 reject 110 111 0000 0001 0010 reject 0011 reject 0100 0101 0110 reject 0111 reject 1000 reject 1001 reject 1010 1011 1100 reject 1101 reject 1110 1111 000000 0100000 111000000 reject 1010101010 00000 00111111000