C3132121111331312113313331333133313113313331311331333132233222121121   >>    C313212111133131211331333133313331311331333131133133313223322212112   <<    C3132121111331312113313331333133313113313331311331333132233222121123   >>      C3132121111331312113313331333133313113313331311331333132233222121122   >>