C111113331333132322331333133313331333133313121111331333121111331333131131223131   >>    C11111333133313232233133313331333133313331312111133133312111133133313113122313   <<    C111113331333132322331333133313331333133313121111331333121111331333131131223133   >>      C111113331333132322331333133313331333133313121111331333121111331333131131223132   >>