Ratkaise 22055:
Ratkaise 22055:
Edward Lasker - D. Abraham Yanofsky
Hastings 5253 (1), 1952.12.30 Edward Lasker - D. Abraham Yanofsky
Hastings 5253 (1), 1952.12.30
Hastings 5253 (1), 1952.12.30 Edward Lasker - D. Abraham Yanofsky
Hastings 5253 (1), 1952.12.30