Sudoku Suprême n° 037 : Page 53 - Gr 50
L4C8 =1=5= L4C8 -5- L4C6 =5= L6C6 -5-4- L6C6 =4= L3C6 -4- L3C1 =4= L8C1 -4-3- L8C1 =3= L5C1 -3-6- L5C1 =6= L4C1 -6-1- L4C1 =1= L6C1 donc L4C1 et L6C8 ≠ 1