Maestro n° 099 : Page 77 - Gr 74
L2C5 =6=5= L2C5 -5- L2C4 =5=4= L2C4 -4- L2C1 =4= L1C1 -4-6- L1C1 =6= L1C2 -6- L7C2 =6= L7C6 donc L2C6 et L8C5 ≠ 6