C13332313311211113313331333133313331323321333133313232212131211   >>    C1333231331121111331333133313331333132332133313331323221213121   <<    C13332313311211113313331333133313331323321333133313232212131213   >>      C13332313311211113313331333133313331323321333133313232212131212   >>