[1,1,2,2,3,3,4,3,2,3,2,3,4,5,6,5,6,7,5,4,3,9,4,3, 4,5,6,10,5,6,7,8,9,8,7,6,10,11,12,6,5,4,5,6,7,4,5, 6,7,8,9,10,12,11,10,10,11,12,13,14,9,8,7,6,5,6,17, 18,6,5,6,7,8,9,10,11,16,15,9,10,11,12]