Maestro n° 087 : Page 56 - Gr 53
L1C2 =9=8= L1C2 -8- L1C8 =8=7= L1C8 -7- L2C8 =7= L2C6 -7- L6C6 =7= L6C4 -7-8- L6C4 =8= L3C4 -8-6- L3C4 =6= L3C9 -6- L1C7 =6=9= L1C7 donc L1C46 ≠ 9