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