C111123313121111121111331333133313331323232133313331333133313112111211232131231   >>    C11112331312111112111133133313331333132323213331333133313331311211121123213123   <<    C111123313121111121111331333133313331323232133313331333133313112111211232131233   >>      C111123313121111121111331333133313331323232133313331333133313112111211232131232   >>