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