C3132121111331312113313331333133313331333132313331333133313113313221331   >>    C313212111133131211331333133313331333133313231333133313331311331322133   <<    C3132121111331312113313331333133313331333132313331333133313113313221333   >>      C3132121111331312113313331333133313331333132313331333133313113313221332   >>