Maestro n° 087 : Page 83 - Gr 80
L7C6 -9- L7C3 =9=2= L7C3 -2- L7C8 =2=1= L7C8 -1- L3C8 =1=6= L3C8 -6- L4C8 =6= L4C9 -6-5- L4C9 =5= L4C4 -5- L5C6 =5= L7C6 donc L7C6 ≠ 9