matrix := [ [11,0,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,6,0,0,0,0,0,0,0,0,0,0,0,0], [0,6,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,6,0,0,0,0,0,0,0,0,0,0], [0,0,0,6,0,0,0,0,0,0,0,0,0,0,0], [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], [0,0,0,0,0,6,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,6,0,0], [0,0,0,0,0,0,6,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,0,0,6], [6,0,0,6,11,0,6,0,11,11,6,6,6,0,11], [0,0,0,0,0,0,0,0,6,0,0,0,0,0,0], [11,6,6,14,9,5,7,5,14,2,9,5,2,11,4], [0,0,0,0,0,0,0,0,0,0,6,0,0,0,0] ]*Z(17);