C13223313311212111133133313331333133313232233133313121111133313223233231   >>    C1322331331121211113313331333133313331323223313331312111113331322323323   <<    C13223313311212111133133313331333133313232233133313121111133313223233233   >>      C13223313311212111133133313331333133313232233133313121111133313223233232   >>