[2,4,1,6,8,3,10,12,14,5,7,16,18,20,9,22,24,26,28, 11,30,13,15,17,19,21,23,32,34,25,36,27,38,40,42, 29,31,33,35,37,44,46,48,50,39,52,54,56,58,60,62, 64,66,41,68,43,45,47,70,72,49,74,51,53,76,78,55, 80,57,82,59,84]