C111123313121111121111331333133313331333131322113121111331323221121113311   >>    C11112331312111112111133133313331333133313132211312111133132322112111331   <<    C111123313121111121111331333133313331333131322113121111331323221121113313   >>      C111123313121111121111331333133313331333131322113121111331323221121113312   >>