Sudoku Suprême n° 039 : Page 5 - Gr 2
L5C1 -2- L4C3 =2=9= L4C3 -9- L8C3 =9= L8C7 -9-2- L8C7 =2= L7C7 -2- L7C2 =2=8= L7C2 -8- L7C1 =8= L1C1 -8-5- L1C1 =5= L5C1 donc L5C1 ≠ 2