[1,9,2,11,8,3,19,12,7,4,21,18,13,6,5,29,22,17,14, 10,31,28,23,16,15,39,32,27,24,20,41,38,33,26,25, 49,42,37,34,30,51,48,43,36,35,59,52,47,44,40,61, 58,53,46,45,69,62,57,54,50,71,68,63,56,55,79,72, 67,64,60,81,78]