C13223313311212111133133313331333132313331333133313121111331313121   >>    C1322331331121211113313331333133313231333133313331312111133131312   <<    C13223313311212111133133313331333132313331333133313121111331313123   >>      C13223313311212111133133313331333132313331333133313121111331313122   >>