15,16,12,10,14,13,11,47,48,49,46,6,8,9,7,5,31,34,33,32,35,24,21,22,23,25,36,37,38,41,44,45,43,42,19,20,18,29,27,30,28,26,17,39,40,1,4,0,2,3