C111123313121111121111331333133313331333132232233133313133313221133311   >>    C11112331312111112111133133313331333133313223223313331313331322113331   <<    C111123313121111121111331333133313331333132232233133313133313221133313   >>      C111123313121111121111331333133313331333132232233133313133313221133312   >>