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