C13223313311212111133133313331333133313123223313231333131233311   >>    C1322331331121211113313331333133313331312322331323133313123331   <<    C13223313311212111133133313331333133313123223313231333131233313   >>      C13223313311212111133133313331333133313123223313231333131233312   >>