Maestro n° 085 : Page 85 - Gr 82
L7C8 =3= L7C5 -3-6- L7C5 =6= L7C2 -6- L5C2 =6= L5C3 -6- L2C3 =6=8= L2C3 -8- L2C9 =8= L8C9 donc L8C9 ≠ 3 et L7C8 ≠ 8