Maestro n° 103 : Page 70 - Gr 67
L3C3 =2= L1C3 -2-9- L1C3 =9= L8C3 -9- L8C5 =9= L4C5 -9- L4C4 =9=1= L4C4 -1- L5C6 =1=3= L5C6 -3- L2C6 =3= L3C4 donc L3C4 ≠ 2 et L3C3 ≠ 3