C111123313121111121111331333133313331321123121133132313331333133322333131121   >>    C11112331312111112111133133313331333132112312113313231333133313332233313112   <<    C111123313121111121111331333133313331321123121133132313331333133322333131123   >>      C111123313121111121111331333133313331321123121133132313331333133322333131122   >>