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