[0,2,3,4,5,4,5,6,7,8,7,8,9,10,11,10,9,8,7,8,7,8,9, 10,11,10,11,12,13,14,13,12,11,10,11,10,11,12,13, 14,13,14,15,16,17,16,15,14,13,14,13,12,13,14,14, 15,15,13,13,13,17,17]