Maestro n° 099 : Page 52 - Gr 49
L4C8 =9= L4C2 -9-7- L4C2 =7= L4C3 -7- L2C3 =7=9= L2C3 -9- L1C1 =9= L6C1 donc L4C2 et L6C8 ≠ 9