grandmaitre n° 14 : Page 32 - Grille 21

Le Territoire du tigre (Forcing Chain Contradiction)

L1C1 ≠ 9 L2C1 = 9 L2C8 = 7 L3C9 = 3 L5C8 = 3 L5C1 = 5 L2C1 = 7 L1C1 = 9
donc L1C1 = 9