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