matrix := [
[0,5,0,0,0,0,0,0,0,0],
[5,0,0,0,0,0,0,0,0,0],
[0,0,0,5,0,0,0,0,0,0],
[0,0,5,0,0,0,0,0,0,0],
[0,0,0,0,0,5,0,0,0,0],
[0,0,0,0,5,0,0,0,0,0],
[0,0,0,0,0,0,0,0,5,0],
[5,5,0,0,6,6,6,2,6,0],
[0,0,0,0,0,0,5,0,0,0],
[2,2,0,0,0,0,3,0,3,2]
]*Z(7);