Maestro n° 087 : Page 79 - Gr 76
L2C8 -3- L2C4 =3=4= L2C4 -4- L1C4 =4= L1C3 -4-1- L1C3 =1= L2C1 -1-8- L2C1 =8= L2C8 donc L2C8 ≠ 3