matrix := [ [0,10,0,0,0,0,0,0,0,0,0], [10,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,10,0,0,0,0,0,0], [0,0,0,0,0,10,0,0,0,0,0], [0,0,10,0,0,0,0,0,0,0,0], [0,0,0,10,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,10,0,0], [0,0,0,0,0,0,0,0,0,10,0], [0,0,0,0,0,0,10,0,0,0,0], [0,0,0,0,0,0,0,10,0,0,0], [5,5,9,3,9,3,13,8,13,8,9] ]*Z(19);