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