C111123313121111121111331333133313331333133313331122112111113331311111   >>    C11112331312111112111133133313331333133313331333112211211111333131111   <<    C111123313121111121111331333133313331333133313331122112111113331311113   >>      C111123313121111121111331333133313331333133313331122112111113331311112   >>