grandmaitre n° 17 : Page 51 - Grille 38
L3C3 =4=3= L3C3 -3- L3C9 =3=8= L3C9 -8- L4C9 =8=1= L4C9 -1- L6C9 =1=6= L6C9 -6- L6C6 =6= L1C6 -6- L3C5 =6= L3C7 -6- L9C7 =6= L9C8 -6-3- L9C8 =3= L9C3 donc L3C3 ≠ 3 et L9C3 ≠ 4