A B C D E F G
 1 1 1 0 0 0 0 0
 2 1 1 0 0 0 0 0
 3 0 1 1 0 0 0 0
 4 0 0 1 1 0 0 0
 5 0 0 1 1 0 0 0
 6 0 0 0 1 0 0 0
 7 0 1 0 0 1 0 0
 8 0 1 0 0 0 1 1 
 9 0 1 0 0 0 1 1 
10 0 0 0 1 1 0 0
11 0 0 1 0 0 0 0
12 0 0 1 1 1 0 0
13 1 0 1 0 0 0 0
14 0 0 0 0 1 1 0