matrix := [ [0,0,3,0,0,0,0,0,0,0], [0,0,0,3,0,0,0,0,0,0], [3,2,0,3,0,0,0,0,0,0], [3,0,2,3,0,0,0,0,0,0], [0,0,0,0,0,0,3,0,0,0], [0,0,0,0,0,0,0,3,0,0], [2,0,0,2,2,0,2,0,0,0], [0,0,0,0,0,0,0,0,0,3], [0,2,0,3,0,3,0,0,3,2], [0,0,0,0,0,3,0,0,0,0] ]*Z(5);