C111123313121111121111331333133313331333132232233131211111321123121   >>    C11112331312111112111133133313331333133313223223313121111132112312   <<    C111123313121111121111331333133313331333132232233131211111321123123   >>      C111123313121111121111331333133313331333132232233131211111321123122   >>