Maestro n° 102 : Page 52 - Gr 49
L8C3 =4= L4C3 -4- L4C8 =4=9= L4C8 -9- L6C9 =9= L8C9 -9-8- L8C9 =8= L2C9 -8-1- L2C9 =1= L5C9 -1- L5C8 =1= L7C8 -1-2- L7C8 =2= L8C8 donc L8C3 ≠ 2 et L8C8 ≠ 4