Sudoku Suprême n° 037 : Page 66 - Gr 63
L9C2 -6- L9C4 =6=9= L9C4 -9- L4C4 =9= L4C8 -9- L6C8 =9=7= L6C8 -7- L6C2 =7=5= L6C2 -5- L2C2 =5=8= L2C2 -8- L2C3 =8= L9C3 -8-3- L9C3 =3= L9C7 -3- L8C7 =3=4= L8C7 -4- L8C2 =4= L9C2 donc L9C2 ≠ 6