C111123313121111121111331333133313331333133313331333133313331311222331313121   >>    C11112331312111112111133133313331333133313331333133313331333131122233131312   <<    C111123313121111121111331333133313331333133313331333133313331311222331313123   >>      C111123313121111121111331333133313331333133313331333133313331311222331313122   >>