C1231321123223331211111131211113313331333132313331123311132231111121   >>    C123132112322333121111113121111331333133313231333112331113223111112   <<    C1231321123223331211111131211113313331333132313331123311132231111123   >>      C1231321123223331211111131211113313331333132313331123311132231111122   >>