C3123121111331312121111331333132313331323113313331333132233132222121   >>    C312312111133131212111133133313231333132311331333133313223313222212   <<    C3123121111331312121111331333132313331323113313331333132233132222123   >>      C3123121111331312121111331333132313331323113313331333132233132222122   >>