[1,2,2,2,3,2,4,3,4,3,5,3,5,4,5,4,6,4,6,4,6,5,7,4, 7,6,6,5,8,4,8,6,7,6,8,5,9,7,8,6,9,5,9,7,7,7,10,6, 10,7,9,8,10,6,10,7,9,8,11,6,11,8,9,8,11,7,12,9,10, 7,12,7,12,9,9,9,12,7,13,8,11,10,13,7,12,10,11,9, 13,7,13,10,12]