grandmaitre n° 14 : Page 14 - Grille 5
L4C1 ≠ 6 L5C1 = 6 L5C2 = 7 L5C7 = 5 L8C7 = 8 L8C2 = 7 L5C1 = 7 L4C1 = 6 donc L4C1 = 6