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