matrix := [
[0,0,5,0,0,0,0,0,0,0],
[0,0,0,0,5,0,0,0,0,0],
[0,0,0,0,0,0,5,0,0,0],
[0,0,0,0,0,0,0,5,0,0],
[0,2,2,0,2,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,5],
[5,5,0,0,3,0,5,0,0,0],
[2,0,6,2,2,3,6,5,4,4],
[6,5,1,2,4,0,0,0,2,0],
[5,5,0,6,6,1,6,4,3,0]
]*Z(7);