Maestro n° 100 : Page 86 - Gr 83
L6C8 =6= L5C8 -6- L5C4 =6= L4C4 -6-2- L4C4 =2= L8C4 -2- L8C9 =2= L5C9 -2- L5C3 =2= L6C3 donc L6C8 ≠ 2 et L6C3 ≠ 6