[2,2,3,2,2,3,3,4,2,3,2,3,3,4,4,5,2,2,3,3,4,2,3,3, 4,3,4,5,4,5,6,2,3,2,3,3,4,3,4,5,2,3,3,4,3,4,5,4,4, 5,6,5,6,7,2,2,3,3,4,2,3,3,4,3,4,5,4,4,5,6,2,3,3,4, 3,4,5,3,4,4,5,6,4,5,5,6,7,5,6,7,8]