C13223313311212111133133313331333133313123223313231333132233321   >>    C1322331331121211113313331333133313331312322331323133313223332   <<    C13223313311212111133133313331333133313123223313231333132233323   >>      C13223313311212111133133313331333133313123223313231333132233322   >>