C13223313311212111133133313331323133313233313121111331333131213121   >>    C1322331331121211113313331333132313331323331312111133133313121312   <<    C13223313311212111133133313331323133313233313121111331333131213123   >>      C13223313311212111133133313331323133313233313121111331333131213122   >>