C111123313121111121111331333133313331333133313121111331211113313331323232133221   >>    C11112331312111112111133133313331333133313331312111133121111331333132323213322   <<    C111123313121111121111331333133313331333133313121111331211113313331323232133223   >>      C111123313121111121111331333133313331333133313121111331211113313331323232133222   >>