[1,2,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,6,10,7,11,8,12, 8,13,7,14,7,15,8,16,8,17,7,18,12,13,10,13,10,14, 11,15,11,15,12,16,12,17,10,17,11,18,18,19,12,19, 12,20,15,16,16,16,16,17,14,17,14,18,24,18,24,19, 15,19,16,20,20,20]