C13223313311212111133133313331323133313331323113313331312222311   >>    C1322331331121211113313331333132313331333132311331333131222231   <<    C13223313311212111133133313331323133313331323113313331312222313   >>      C13223313311212111133133313331323133313331323113313331312222312   >>