611332
1-5 AAACA 6-10 ACADB 11-15 DABAA 16-20 CCACB 21-25 ABDAA 26-30 BADBA 31：BCD 32:AB 33:ACD 34:AB 35:BC 36:AB 37:ABCD 38:AC 39:CD 40:ABD 41-45 对对对对对 46-50 错错错错对
