C1231321123223331211111131211113313331333133313223223312231311111   >>    C123132112322333121111113121111331333133313331322322331223131111   <<    C1231321123223331211111131211113313331333133313223223312231311113   >>      C1231321123223331211111131211113313331333133313223223312231311112   >>