grandmaitre n° 14 : Page 36 - Grille 25

Le Territoire du tigre (Forcing Chain Contradiction)

L1C1 ≠ 2 L1C5 = 2 L5C8 = 2 L5C7 = 8 L8C6 = 8 L9C6 = 2 L5C5 = 2 L1C1 = 2
donc L1C1 = 2