[1,2,4,5,8,9,10,11,12,14,16,17,18,19,20,21,22,23, 24,25,26,29,30,33,34,35,36,37,38,39,41,42,43,44, 45,46,47,48,49,51,52,53,54,56,58,59,60,61,62,64, 66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81]