Maestro n° 100 : Page 81 - Gr 78
L8C1 =2= L9C1 -2-5- L9C1 =5= L5C1 -5- L5C5 =5=2= L5C5 -2- L5C6 =2=4= L5C6 -4- L5C7 =4=9= L5C7 -9- L5C8 =9= L1C8 -9-8- L1C8 =8= L2C8 -8-5- L2C8 =5= L6C8 -5-2- L6C8 =2= L6C9 -2- L8C9 =2=8= L8C9 donc L8C9 ≠ 2 et L8C1 ≠ 8