C111123313121111121111331333133313331333133313331333133313331322231313221   >>    C11112331312111112111133133313331333133313331333133313331333132223131322   <<    C111123313121111121111331333133313331333133313331333133313331322231313223   >>      C111123313121111121111331333133313331333133313331333133313331322231313222   >>