Maestro n° 094 : Page 50 - Gr 47
L5C7 =3=6= L5C7 -6- L7C7 =6= L7C5 -6- L9C4 =6=7= L9C4 -7- L8C4 =7=2= L8C4 -2- L8C6 =2=5= L8C6 -5- L8C3 =5=8= L8C3 -8- L8C9 =8= L9C9 -8-6- L9C9 =6= L6C9 donc L6C9 ≠ 3 et L5C7 ≠ 6