C111123313121111121111331333133313331323232133313331333131233131231   >>    C11112331312111112111133133313331333132323213331333133313123313123   <<    C111123313121111121111331333133313331323232133313331333131233131233   >>      C111123313121111121111331333133313331323232133313331333131233131232   >>