C13223313311212111133133313331333133313232233133313112133313232331   >>    C1322331331121211113313331333133313331323223313331311213331323233   <<    C13223313311212111133133313331333133313232233133313112133313232333   >>      C13223313311212111133133313331333133313232233133313112133313232332   >>