Maestro n° 101 : Page 83 - Gr 80
L1C3 =6=9= L1C3 -9- L1C8 =9= L4C8 -9- L4C5 =9= L6C5 -9-6- L6C5 =6= L6C1 donc L3C1 et L5C3 ≠ 6