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