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