grandmaitre n° 17 : Page 60 - Grille 47
L7C2 =6= L8C1 -6- ALS:L1C18 -8- L4C8 =8= L4C7 -8- L8C7 =8= L8C5 -8- ALS:L3C56 donc L3C2 ≠ 6