Maestro n° 085 : Page 72 - Gr 69
L5C1 =8= L2C1 -8- L2C7 =8=2= L2C7 -2- L1C7 =2=9= L1C7 -9- L1C1 =9=7= L1C1 -7- L3C1 =7= L3C4 -7-5- L3C4 =5= L3C6 -5- L9C6 =5=2= L9C6 -2- L9C3 =2= L5C3 donc L5C1 ≠ 2 et L5C3 ≠ 8