block TC A B C D yield 1 0000 0 0 0 0 58 2 0001 0 0 0 1 55 3 0000 0 0 0 0 57 4 0001 0 0 0 1 50 1 0011 0 0 1 1 51 2 0010 0 0 1 0 45 3 0011 0 0 1 1 56 4 0010 0 0 1 0 39 1 0101 0 1 0 1 44 2 0100 0 1 0 0 42 3 0101 0 1 0 1 43 4 0100 0 1 0 0 47 1 0110 0 1 1 0 50 2 0111 0 1 1 1 36 3 0110 0 1 1 0 39 4 0111 0 1 1 1 43 1 1001 1 0 0 1 43 2 1000 1 0 0 0 53 3 1001 1 0 0 1 52 4 1000 1 0 0 0 42 1 1010 1 0 1 0 50 2 1011 1 0 1 1 55 3 1010 1 0 1 0 52 4 1011 1 0 1 1 44 1 1100 1 1 0 0 41 2 1101 1 1 0 1 41 3 1100 1 1 0 0 42 4 1101 1 1 0 1 34 1 1111 1 1 1 1 44 2 1110 1 1 1 0 48 3 1111 1 1 1 1 54 4 1110 1 1 1 0 52