Sudoku Suprême n° 039 : Page 48 - Gr 45
L5C2 =8= L8C2 -8-7- L8C2 =7= L8C3 -7- L1C3 =7= L1C9 -7-1- L1C9 =1= L89C9 -1- L8C8 =1=9= L8C8 -9- L8C6 =9=5= L8C6 -5- L8C7 =5=8= L8C7 -8- L9C7 =8= L9C1 donc L5C1 et L8C2 ≠ 8