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