Sudoku Suprême n° 039 : Page 47 - Gr 44

La Piste du tigre (AIC-Discontinuous Nice Loop)

L1C2 -7- L1C4 =7=9= L1C4 -9- L1C3 =9= L2C3 -9-3- L2C3 =3= L2C2 -3-1- L2C2 =1= L1C2 donc L1C2 ≠ 7