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], [0,0,0,0,0,0,0,0,6,0], [0,0,0,0,0,0,0,0,0,6], [1,4,7,5,4,10,0,6,5,10], [4,3,7,9,5,2,3,3,6,8], [8,4,2,0,5,10,6,1,10,10] ]*Z(11);