Sudoku Suprême n° 040 : Page 76 - Gr 73
L1C7 -5- L1C6 =5= L6C6 -5- L6C5 =5=6= L6C5 -6- L6C1 =6= L5C2 -6-5- L5C2 =5= L5C3 -5-3- L5C3 =3= L5C9 -3- L1C9 =3= L1C7 donc L1C7 ≠ 5