[1,3,2,6,4,10,5,14,8,7,15,11,21,9,20,12,27,13,34, 18,16,28,17,35,23,22,36,29,45,19,43,24,44,30,54, 25,53,31,64,26,63,32,75,33,87,41,37,55,38,65,39, 76,40,88,49,46,66,47,77,48,89,58,56,78,57,90,68]