C13223313311212111133133313331333132313231323331333133313221313233311   >>    C1322331331121211113313331333133313231323132333133313331322131323331   <<    C13223313311212111133133313331333132313231323331333133313221313233313   >>      C13223313311212111133133313331333132313231323331333133313221313233312   >>