grandmaitre n° 13 : Page 70 - Grille 61
en L3C2 donc L7C6 ≠ 7 L7C6 = 7 L7C2 = 1 L3C2 ≠ 1 L7C6 = 7 L7C5 = 4 L9C2 = 4 L9C8 = 8 L2C9 = 8 L2C13 = 3 L3C2 ≠ 3 L7C6 = 7 L3C5 = 7 L3C2 ≠ 7