C111123313121111121111331333133313331323232133313331333133313123133131   >>    C11112331312111112111133133313331333132323213331333133313331312313313   <<    C111123313121111121111331333133313331323232133313331333133313123133133   >>      C111123313121111121111331333133313331323232133313331333133313123133132   >>