Maestro n° 097 : Page 86 - Gr 83
L3C2 =6=8= L3C2 -8- L4C2 =8= L4C7 -8-3- L4C7 =3= L4C4 -3- L1C4 =3= L1C5 -3-8- L1C5 =8= L8C5 -8- L8C1 =8=6= L8C1 donc L78C2 ≠ 6