1,2,3,4,5,6,7,8,B,9,10,11,12,13,14,15,16,B,17,18,19,20,21,22,23,B,24,25,26,27,28,29,30,31,32,C,33,34,35,36,37,38,39,D,40,41,42,43,44,C,45,46,47,48,B,C,49,B,50,C,D,51,52,53,54,55,56,57,B,58,C,D,59,B,60,C,61,62,63,C,64,D,65,C,66,B,67,68,D,69,70,71,72,73,74,75,76,77,78,返回,
