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