C13223313311212111133133313331323133313233313121111121111331313223221   >>    C1322331331121211113313331333132313331323331312111112111133131322322   <<    C13223313311212111133133313331323133313233313121111121111331313223223   >>      C13223313311212111133133313331323133313233313121111121111331313223222   >>