C111123313121111121111331333133313331333133313331333133313331312112123231   >>    C11112331312111112111133133313331333133313331333133313331333131211212323   <<    C111123313121111121111331333133313331333133313331333133313331312112123233   >>      C111123313121111121111331333133313331333133313331333133313331312112123232   >>