Sudoku Suprême n° 037 : Page 44 - Gr 41
L7C3 -5- L7C4 =5= L2C4 -5-3- L2C4 =3= L2C2 -3- L1C3 =3=8= L1C3 -8- L1C7 =8=5= L1C7 -5- L5C7 =5= L5C3 -5- L7C3 donc L7C3 ≠ 5