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