1 1 1
l
0 1 l 1 0 l 0 l
l l l
l
0 1 1 0 0 0 1 0
0 1 0 1 0 0 1 1
0 1 1 1 0 1 0 1
0 1 1 0 0 0 1 0
0 1 0 0 1 0 0 0
0 1 1 1 0 1 0 1
l
0 1 1 0 0 0 1 0
l l l
l
0 1 1 1 0 1 0 1
0 1 1 0 0 0 1 0