Maestro n° 099 : Page 83 - Gr 80
L5C4 -8- L5C3 =8= L1C3 -8- L3C2 =8= L3C9 -8-4- L3C9 =4= L3C8 -4-5- L3C8 =5= L4C8 -5- L4C4 =5= L5C4 donc L5C4 ≠ 8