52,1,50,3,48,5,46,7,44,9,42,11,40,13,38,15,36,17,34,19,32,21,30,23,28,25,26,27,24,29,22,31,20,33,18,35,16,37,14,39,12,41,10,43,8,45,6,47,4,49,2,51
