C111123313121111121111331333133313331333131233133313121111121111331323231322321   >>    C11112331312111112111133133313331333133313123313331312111112111133132323132232   <<    C111123313121111121111331333133313331333131233133313121111121111331323231322323   >>      C111123313121111121111331333133313331333131233133313121111121111331323231322322   >>