[0,1,1,1,1,2,2,3,3,3,4,4,4,5,5,6,6,6,6,6,7,8,9,9, 9,9,9,10,11,12,12,12,12,12,12,12,12,13,13,14,14, 15,16,17,18,19,19,19,19,19,19,19,19,19,19,19,19, 19,19,19,20,21,21,22,23,24,24,24,24,24,24,24,24, 25,26,27,27,28,29,30,30,30,30,30,30,30,30,30,30, 30]