C13223313311212111133133313331333132313331333133313331333133313233322311   >>    C1322331331121211113313331333133313231333133313331333133313331323332231   <<    C13223313311212111133133313331333132313331333133313331333133313233322313   >>      C13223313311212111133133313331333132313331333133313331333133313233322312   >>