C111123313121111121111331333133313331333132232233132313231333132313333211131   >>    C11112331312111112111133133313331333133313223223313231323133313231333321113   <<    C111123313121111121111331333133313331333132232233132313231333132313333211133   >>      C111123313121111121111331333133313331333132232233132313231333132313333211132   >>