C111123313121111121111331333133313331333131233133313332321131323311   >>    C11112331312111112111133133313331333133313123313331333232113132331   <<    C111123313121111121111331333133313331333131233133313332321131323313   >>      C111123313121111121111331333133313331333131233133313332321131323312   >>