Maestro n° 099 : Page 48 - Gr 45
L4C9 =8= L5C7 -8-6- L5C7 =6= L5C8 -6- L3C8 =6=4= L3C8 -4- L2C8 =4= L2C3 -4- L5C3 =4=8= L5C3 donc L4C2 et L5C7 ≠ 8