Maestro n° 085 : Page 83 - Gr 80
L8C6 -8- L3C6 =8= L3C4 -8-1- L3C4 =1= L3C8 -1- L1C8 =1=5= L1C8 -5- L1C9 =5= L9C9 -5- L9C6 =5= L8C6 donc L8C6 ≠ 8