 1  0   -1  0
 2  0   0   0
 3  0   1   0
 4  1   -1  0
 5  1   0   0
 6  1   1   0
 7  -1  -1  0
 8  -1  0   0
 9  -1  1   0
10  0   -1  1
11  0   0   1
12  0   1   1
13  1   -1  1
14  1   0   1
15  1   1   1
16  -1  -1  1
17  -1  0   1
18  -1  1   1
19  0   -1  -1
20  0   0   -1
21  0   1   -1
22  1   -1  -1
23  1   0   -1
24  1   1   -1
25  -1  -1  -1
26  -1  0   -1
27  -1  1   -1
