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