C111123313121111121111331333133313331333133313121111331211113313331323113313221   >>    C11112331312111112111133133313331333133313331312111133121111331333132311331322   <<    C111123313121111121111331333133313331333133313121111331211113313331323113313223   >>      C111123313121111121111331333133313331333133313121111331211113313331323113313222   >>