Sudoku Suprême n° 037 : Page 46 - Gr 43
L9C3 =1= L9C1 -1- L1C1 =1=6= L1C1 -6- L1C2 =6=7= L1C2 -7- L1C6 =7= L9C6 -7-4- L9C6 =4= L9C3 donc L9C3 ≠ 2