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