[0,1,1,2,1,3,2,4,1,5,3,6,2,6,4,7,1,8,5,9,3,10,6, 11,2,9,6,12,4,11,7,13,1,14,8,15,5,16,9,17,3,16,10, 18,6,19,11,20,2,15,9,21,6,18,12,22,4,17,11,22,7, 20,13,23,1,24,14,25,8,26,15,27,5,28,16]