Maestro n° 087 : Page 71 - Gr 68
L3C1 =2= L3C4 -2- L1C5 =2=9= L1C5 -9- L1C1 =9=5= L1C1 -5- L8C1 =5= L9C3 -5-2- L9C3 =2= L4C3 donc L45C1 ≠ 2