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