[0,0,1,1,2,1,3,2,0,2,4,2,5,3,1,3,6,1,7,2,2,4,8,3,1,5,1,3,9,1,10,4,3,6,2,2,11,7,4,3,12,2,13,4,1,8,14,4,2,1,5,5,15,2,3,3,6,9,16,2,17,10,2,5,4,3,18,6,7,2,19,3,20,11,1,7,3,4,21,4,2,12]