[0,1,4,2,4,4,3,4,4,4,6,5,6,6,8,7,10,8,10,10,8,10, 10,10,10,9,10,10,10,10,10,12,11,12,12,14,13,14,16, 14,16,16,16,15,16,16,16,16,18,17,18,18,20,19,20, 22,20,22,22,21,22,22,22]