C111123313121111121111331333133313331333131322113121111331312111133122232321311   >>    C11112331312111112111133133313331333133313132211312111133131211113312223232131   <<    C111123313121111121111331333133313331333131322113121111331312111133122232321313   >>      C111123313121111121111331333133313331333131322113121111331312111133122232321312   >>