1 X 2^12 4096
1 X 2^11 2048
1 X 2^10 1024
1 X 2^9 512
1 X 2^8 256
1 X 2^7 128
0 X 2^6 0
0 X 2^5 0
1 X 2^4 16
1 X 2^3 8
0 X 2^2 0
1 X 2^1 2
1 X 2^0 1
====
