[0,1,0,2,2,3,2,4,4,5,4,6,6,7,6,8,8,9,8,10,10,11, 10,12,12,13,12,14,14,15,14,16,16,17,16,18,18,19, 18,20,20,21,20,22,22,23,22,24,24,25,24,26,26,27, 26,28,28,29,28,30,30,31,30,32,32,33,32,34,34]