C3123121111331312121111331333132313331333133313331333112121111133311321   >>    C312312111133131212111133133313231333133313331333133311212111113331132   <<    C3123121111331312121111331333132313331333133313331333112121111133311323   >>      C3123121111331312121111331333132313331333133313331333112121111133311322   >>