Maestro n° 097 : Page 82 - Gr 79
L5C6 -7- L5C1 =7= L3C1 -7- L3C9 =7= L8C9 -7- L8C5 =7=2= L8C5 -2- L2C5 =2= L2C4 -2- L5C4 =2= L5C6 donc L5C6 ≠ 7