C13223313311212111133133313331333133313233121333132313331311331313123121   >>    C1322331331121211113313331333133313331323312133313231333131133131312312   <<    C13223313311212111133133313331333133313233121333132313331311331313123123   >>      C13223313311212111133133313331333133313233121333132313331311331313123122   >>