[2,3,3,3,4,4,5,5,5,6,7,6,7,7,8,9,9,9,9,9,10,10,11, 11,12,12,13,14,14,14,14,13,14,15,16,17,18,18,18, 18,18,17,18,18,18,19,20,19,19,20,21,21,22,21,22, 23,23,24,24,24,25,24,24,25,26,27,28,27,27,27,28, 27,27,26,27,28]