C13223313311212111133133313331323133313233313121111121111331311112233311   >>    C1322331331121211113313331333132313331323331312111112111133131111223331   <<    C13223313311212111133133313331323133313233313121111121111331311112233313   >>      C13223313311212111133133313331323133313233313121111121111331311112233312   >>