C111123313121111121111331333133313331333112221211111133132322111112311   >>    C11112331312111112111133133313331333133311222121111113313232211111231   <<    C111123313121111121111331333133313331333112221211111133132322111112313   >>      C111123313121111121111331333133313331333112221211111133132322111112312   >>