Sudoku Suprême n° 037 : Page 42 - Gr 39
L1C4 =5= L6C4 -5-1- L6C4 =1= L6C6 -1-7- L6C6 =7= L6C7 -7- L5C8 =7=8= L5C8 -8- L7C8 =8= L7C5 -8-5- L7C5 =5= L7C6 donc L13C6 ≠ 5