C13223313311212111133133313331333133313232233133313331323221211111113232311   >>    C1322331331121211113313331333133313331323223313331333132322121111111323231   <<    C13223313311212111133133313331333133313232233133313331323221211111113232313   >>      C13223313311212111133133313331333133313232233133313331323221211111113232312   >>