matrix := [
[0,6,0,0,0,0,0,0,0],
[6,0,0,0,0,0,0,0,0],
[0,0,0,6,0,0,0,0,0],
[0,0,6,0,0,0,0,0,0],
[0,0,0,0,0,6,0,0,0],
[0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,0,6,0],
[0,0,0,0,0,0,6,0,0],
[5,6,6,5,0,0,0,0,6]
]*Z(11);