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