[0,2,3,4,4,4,5,6,6,6,7,8,8,8,9,9,9,9,9,10,11,11, 11,11,11,12,12,12,13,14,14,14,15,15,15,15,15,16, 16,16,16,16,17,18,18,18,18,18,19,19,19,20,21,21, 21,21,21,22,22,22,23,23,23,23,23,24,24,24,24,24, 24,24,25,25,25,26]