matrix := [ [0,0,6,0,0,0,0,0,0,0], [0,5,5,0,0,0,0,0,0,0], [0,0,0,0,6,0,0,0,0,0], [0,0,0,0,0,6,0,0,0,0], [6,0,5,0,6,0,0,0,0,0], [0,0,0,0,0,0,0,6,0,0], [0,0,0,0,0,0,0,0,6,0], [8,8,1,5,9,10,0,3,7,8], [10,9,8,5,7,7,5,0,1,9], [9,2,9,1,5,7,8,1,2,7] ]*Z(11);