C111123313121111121111331333133313331333133313331333132233133313113313223113221   >>    C11112331312111112111133133313331333133313331333133313223313331311331322311322   <<    C111123313121111121111331333133313331333133313331333132233133313113313223113223   >>      C111123313121111121111331333133313331333133313331333132233133313113313223113222   >>