
答案
参考答案:
a 5 1 0 A|b 8 5 E A|c 16 8 E B|d 19 5 0 E|e 15 19 0 D|B|g 1 15 0 B|h 8 1 A B|i 16 19 D E|j 31 31 B C|5,4,3,2,1|8,7,6,5|16,17,8|19,18,5|15,23,22,21,20,19|15,16|1,10,11,12,13,14,15|8,9,1|16,19|31,30,29,28,27,26,25,24,31|h,b,a|g,f,c,h,-j|j|e,i,f|e,i,d,b