C13223313311212111133133313331323133313331323113313233313223321   >>    C1322331331121211113313331333132313331333132311331323331322332   <<    C13223313311212111133133313331323133313331323113313233313223323   >>      C13223313311212111133133313331323133313331323113313233313223322   >>