Sudoku Suprême n° 037 : Page 35 - Gr 32
L6C1 -5- L2C1 =5=7= L2C1 -7- L2C2 =7=1= L2C2 -1- L2C9 =1= L6C9 -1-7- L6C9 =7= L6C6 -7-4- L6C6 =4= L6C1 donc L6C1 ≠ 5