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