Sudoku Suprême n° 037 : Page 18 - Gr 15
L3C2 -9- L3C1 =9= L6C1 -9-7- L6C1 =7= L1C1 -7- L2C3 =7=2= L2C3 -2- L2C7 =2=1= L2C7 -1- L2C2 =1= L3C2 donc L3C2 ≠ 9