[0,2,4,6,1,3,5,7,8,10,12,14,9,11,13,15,16,18,20, 22,17,19,21,23,24,26,28,30,25,27,29,31,32,34,36, 38,33,35,37,39,40,42,44,46,41,43,45,47,48,50,52, 54,49,51,53,55,56,58,60,62,57,59,61,63,64,66,68, 70,65,67,69,71,72]