Maestro n° 086 : Page 85 - Gr 82
L3C1 -1- L3C3 =1=7= L3C3 -7- L6C3 =7=4= L6C3 -4- L6C4 =4= L4C4 -4-5- L4C4 =5= L2C4 -5- L2C5 =5=2= L2C5 -2- L2C2 =2= L3C1 donc L3C1 ≠ 1