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