=== example 0 ===
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 1
0 0 0 0 0 1 2
0 0 0 0 1 2 4
0 0 0 1 2 4 0
0 0 1 2 4 0 0
 ->
2 4 1 2 4 1 2
4 1 2 4 1 2 4
1 2 4 1 2 4 1
2 4 1 2 4 1 2
4 1 2 4 1 2 4
1 2 4 1 2 4 1
2 4 1 2 4 1 2
=== example 1 ===
2 8 3 0 0 0 0
8 3 0 0 0 0 0
3 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 0
 ->
2 8 3 2 8 3 2
8 3 2 8 3 2 8
3 2 8 3 2 8 3
2 8 3 2 8 3 2
8 3 2 8 3 2 8
3 2 8 3 2 8 3
2 8 3 2 8 3 2
=== example 2 ===
0 0 0 0 8 3 0
0 0 0 8 3 0 0
0 0 8 3 0 0 0
0 8 3 0 0 0 4
8 3 0 0 0 4 0
3 0 0 0 4 0 0
0 0 0 4 0 0 0
 ->
4 8 3 4 8 3 4
8 3 4 8 3 4 8
3 4 8 3 4 8 3
4 8 3 4 8 3 4
8 3 4 8 3 4 8
3 4 8 3 4 8 3
4 8 3 4 8 3 4
