Maestro n° 099 : Page 66 - Gr 63
L2C7 =5=6= L2C7 -6- L2C2 =6= L7C2 -6- L7C8 =6= L4C8 -6-8- L4C8 =8= L4C9 -8- L1C9 =8= L1C1 -8- L3C1 =8=5= L3C1 donc L2C2 et L3C7 ≠ 5