[0,1,1,2,3,3,3,3,4,5,5,5,6,6,6,7,8,8,8,9,9,9,9,9, 10,11,11,11,12,12,12,13,13,14,14,14,15,15,15,16, 17,17,17,17,18,18,18,18,18,18,18,19,20,20,20,20, 20,21,21,21,22,22,22,23,23,23,23,24,24,24,24,25, 26,27,27,27,27,27,27,28,28,29,29,29,29]