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