C111113331333132322331333133313331333133313121111331333121111331333131131233121   >>    C11111333133313232233133313331333133313331312111133133312111133133313113123312   <<    C111113331333132322331333133313331333133313121111331333121111331333131131233123   >>      C111113331333132322331333133313331333133313121111331333121111331333131131233122   >>