matrix := [
[9,11,0,0,0,0,0,0,0],
[0,0,6,0,0,0,0,0,0],
[10,12,8,0,0,0,0,0,0],
[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],
[5,9,7,0,0,11,0,11,0],
[2,7,13,15,8,12,11,8,6]
]*Z(17);