13,0,15,0,7,0,2,0,10,0,6,0
4,0,9,0,8,0,12,0,11,0,5,0
1,0,12,0,4,0,3,0,14,0,15,0
7,0,3,0,2,0,8,0,13,0,11,0
6,0,5,0,9,0,10,0,1,0,14,0