C13223313311212111133133313331333132313231323331333133313233312311   >>    C1322331331121211113313331333133313231323132333133313331323331231   <<    C13223313311212111133133313331333132313231323331333133313233312313   >>      C13223313311212111133133313331333132313231323331333133313233312312   >>