MeatAxe.Matrix := [
[5,0,0,0,0,0,0],
[6,3,3,0,0,0,0],
[0,6,5,0,0,0,0],
[3,6,5,5,0,0,0],
[5,2,0,6,3,3,0],
[1,1,2,0,6,5,0],
[2,6,3,5,3,6,5]
]*Z(7);