C3132121111331312113313331333133313331333132313331333133313113313232213113121   >>    C313212111133131211331333133313331333133313231333133313331311331323221311312   <<    C3132121111331312113313331333133313331333132313331333133313113313232213113123   >>      C3132121111331312113313331333133313331333132313331333133313113313232213113122   >>