Sudoku Suprême n° 037 : Page 63 - Gr 60
L6C1 =4=8= L6C1 -8- L6C8 =8=2= L6C8 -2- L8C8 =2=6= L8C8 -6- L79C9 =6= L1C9 -6-8- L1C9 =8= L3C9 -8-3- L3C9 =3= L2C7 -3-4- L2C7 =4= L46C7 donc L6C9 ≠ 4