C13223313311212111133133313331333133313232233133313331323221112331   >>    C1322331331121211113313331333133313331323223313331333132322111233   <<    C13223313311212111133133313331333133313232233133313331323221112333   >>      C13223313311212111133133313331333133313232233133313331323221112332   >>