C13223313311212111133133313331333133313232233133313331313112211   >>    C1322331331121211113313331333133313331323223313331333131311221   <<    C13223313311212111133133313331333133313232233133313331313112213   >>      C13223313311212111133133313331333133313232233133313331313112212   >>