Maestro n° 085 : Page 87 - Gr 84
L4C8 =6= L4C3 -6-5- L4C3 =5= L6C3 -5-8- L6C3 =8= L6C2 -8-4- L6C2 =4= L6C8 donc L4C8 ≠ 4 et L6C8 ≠ 6