C111123313121111121111331333133313331333132232233132313231333132323331333223121   >>    C11112331312111112111133133313331333133313223223313231323133313232333133322312   <<    C111123313121111121111331333133313331333132232233132313231333132323331333223123   >>      C111123313121111121111331333133313331333132232233132313231333132323331333223122   >>