Maestro n° 099 : Page 77 - Gr 74
L5C4 =3= L3C4 -3-4- L3C4 =4= L2C4 -4- L2C1 =4= L1C1 -4-6- L1C1 =6= L1C2 -6-3- L1C2 =3= L6C2 donc L5C3 et L6C5 ≠ 3