matrix := [
[1,5,0,0,0,0,0,0,0],
[0,0,6,0,0,0,0,0,0],
[9,9,10,0,0,0,0,0,0],
[0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,6,0,0],
[0,0,0,0,0,0,0,6,0],
[0,0,0,6,0,0,0,0,0],
[6,4,7,4,4,10,3,0,3],
[10,2,9,5,3,1,3,2,0]
]*Z(11);