Sudoku Suprême n° 037 : Page 45 - Gr 42
L1C2 =1=9= L1C2 -9- L1C4 =9=7= L1C4 -7- L1C1 =7= L2C1 -7-8- L2C1 =8= L2C8 -8- L3C7 =8=1= L3C7 -1- L3C2 =1=9= L3C2 donc L3C2 ≠ 1 et L1C2 ≠ 9