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