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