AAA AAAA AAAAA AAAAAA AAAABBBB AAABBB AABBCCDD AABBCC AABB ABCD ABCDE AAAAAB AAAAB AAAB ABAB AAA*BBB* ABCABC ABC ABABCCDD AAABAAAB ABBA ABCDABCD AABBB AA AABBAABB AAABB ABBABB AAAABB *ABC*ABC A*BCA*BC AB**AB** ABCDDCBA ABCDABDC ABCDBACD AB*CAB*C A*A*A*A* ABCDACBD*** A*BCA*BC*** ABC**ABC AABCC ABABCDCD ABABAB

AABB ABAB AAAA AAAAA AAAAAA ABBA ABBB AAAB ABCDE

北京区号020