matrix := [
[5,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0],
[1,5,6,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0],
[0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0],
[0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6],
[2,7,6,7,3,9,5,7,7,4,6,3,4,3,4,2],
[10,3,6,3,5,9,7,9,4,0,4,7,2,9,4,1],
[3,5,3,8,2,0,10,3,9,5,8,6,5,4,4,1],
[0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0]
]*Z(11);