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