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