[0,1,3,4,6,7,9,10,12,13,14,15,16,17,18,19,20,21, 22,23,25,26,28,29,31,32,34,35,36,37,38,39,40,41, 42,43,44,45,47,48,50,51,53,54,56,57,58,59,60,61, 62,63,64,65,66,67,69,70,72,73,75,76,78,79,80,81]