Maestro n° 101 : Page 87 - Gr 84
L3C2 =3= L3C3 -3-8- L3C3 =8= L3C1 -8- L9C1 =8=7= L9C1 -7- L4C1 =7= L5C2 -7-3- L5C2 =3= L4C3 donc L3C3 et L5C2 ≠ 3