C3123121111331312121111331333132313331323113313331333132233132312322122311   >>    C312312111133131212111133133313231333132311331333133313223313231232212231   <<    C3123121111331312121111331333132313331323113313331333132233132312322122313   >>      C3123121111331312121111331333132313331323113313331333132233132312322122312   >>