[1,9,2,8,3,7,4,6,5,15,16,14,17,13,18,12,19,11,29, 21,39,22,28,23,27,24,26,25,35,36,34,37,33,38,32, 48,42,49,31,59,41,60,40,61,43,47,44,46,45,55,50, 51,52,53,54,56,57,58,62,63,64,65,66,67,68,69,70]