[1,3,2,6,4,5,10,8,7,9,15,13,11,12,14,21,19,17,16, 18,20,28,26,24,22,23,25,27,36,34,32,30,29,31,33, 35,45,43,41,39,37,38,40,42,44,55,53,51,49,47,46, 48,50,52,54,66,64,62,60,58,56,57,59,61,63,65,78, 76,74,72,70,68]