matrix := [ [8,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0], [21,2,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0], [0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0], [0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0], [9,3,22,13,13,21,21,7,0,18,14,14,6,11,9,6,3], [15,11,16,14,22,3,21,22,17,19,21,19,10,13,13,19,7], [3,20,3,13,6,2,8,7,6,20,4,21,4,8,20,6,2], [0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0], [16,13,2,8,14,6,11,1,22,7,19,8,1,6,20,19,16] ]*Z(23);