[2,3,2,4,5,3,2,3,6,7,4,3,2,3,4,8,9,5,3,5,2,3,4,5, 10,11,6,4,3,5,2,5,3,4,6,12,13,7,5,4,3,7,2,5,3,4,5, 7,14,15,8,5,4,3,5,7,2,5,3,7,4,6,8,16,17,9,6,5,4,3, 5,7,2,5,8,3,4,5,6,9,18,19,10,7,5,4,7,3]