[1,2,2,3,3,3,4,5,5,4,5,7,6,7,5,6,9,9,9,9,6,7,11, 12,10,12,11,7,8,13,15,14,14,15,13,8,9,15,18,17,15, 17,18,15,9,10,17,21,21,19,19,21,21,17,10,11,19,24, 25,24,20,24,25,24,19,11,12,21,27,29,29,26,26,29, 29,27,21,12]