0101010101010101 : "A"
0011001100110011 : "B"
0000111100001111 : "C"
0000000011111111 : "D"

1111001111111111 : "Display[7]"
0000000000000000 : "Display[6]"
1111110011001111 : "Display[5]"
1101111101111111 : "Display[4]"
1101111101111101 : "Display[3]"
1100111100000000 : "Display[2]"
1111011101110101 : "Display[1]"
0111111101111101 : "Display[0]"
