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