Sudoku Suprême n° 037 : Page 65 - Gr 62
L1C4 -2- L1C8 =2=8= L1C8 -8- L2C7 =8= L5C7 -8- L5C6 =8=6= L5C6 -6- L5C4 =6= L7C4 -6-7- L7C4 =7= L1C4 donc L1C4 ≠ 2