[1,0,1,2,3,4,5,4,5,6,7,8,9,8,9,10,11,12,13,12,13, 14,15,16,17,16,17,18,19,20,21,20,21,22,23,24,25, 24,25,26,27,28,29,28,29,30,31,32,33,32,33,34,35, 36,37,36,37,38,39,40,41,40,41,42,43,44,45,44,45, 46]