C11112331312111112111133133313331333132323213311211111133132322111111311   >>    C1111233131211111211113313331333133313232321331121111113313232211111131   <<    C11112331312111112111133133313331333132323213311211111133132322111111313   >>      C11112331312111112111133133313331333132323213311211111133132322111111312   >>