C13223313311212111133133313331333133313232233133313331333213233231   >>    C1322331331121211113313331333133313331323223313331333133321323323   <<    C13223313311212111133133313331333133313232233133313331333213233233   >>      C13223313311212111133133313331333133313232233133313331333213233232   >>