C3123121111331312121111331333133313331333121333133313112113313232131   >>    C312312111133131212111133133313331333133312133313331311211331323213   <<    C3123121111331312121111331333133313331333121333133313112113313232133   >>      C3123121111331312121111331333133313331333121333133313112113313232132   >>