[1,3,2,3,4,5,7,6,5,4,5,6,7,8,9,11,10,9,8,7,6,7,8, 9,10,11,12,13,15,14,13,12,11,10,9,8,9,10,11,12,13, 14,15,16,17,19,18,17,16,15,14,13,12,11,10,11,12, 13,14,15,16,17,18,19,20,21,23,22,21,20,19,18,17, 16,15,14,13,12]