Maestro n° 087 : Page 55 - Gr 52
L2C3 =1= L2C4 -1- L1C4 =1=3= L1C4 -3- L9C4 =3=4= L9C4 -4- L9C7 =4= L8C8 -4-1- L8C8 =1= L6C8 -1- L6C3 =1=3= L6C3 donc L6C3 ≠ 1 et L2C3 ≠ 3