matrix := [ [0,6,0,0,0,0,0,0,0,0,0,0,0,0,0], [11,0,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,6,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,6,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,6,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,6,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,6,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,6,0,0,0], [0,0,6,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,0,6,0], [0,0,6,6,11,11,6,0,11,11,6,0,6,6,11], [0,11,0,0,0,0,0,6,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,0,0,6], [0,0,0,11,6,0,0,0,6,6,11,0,0,0,0], [0,0,0,6,11,0,0,0,11,0,6,0,6,0,0] ]*Z(17);