Maestro n° 102 : Page 81 - Gr 78
L5C3 =3= L7C3 -3-8- L7C3 =8= L7C5 -8- L8C5 =8= L8C9 -8-7- L8C9 =7= L2C9 -7-4- L2C9 =4= L6C9 -4- L6C7 =4=3= L6C7 donc L5C7 et L6C1 ≠ 3