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