Sudoku Suprême n° 039 : Page 63 - Gr 60

La Piste du tigre (AIC-Discontinuous Nice Loop)

L1C4 -4- L1C5 =4=8= L1C5 -8- L7C5 =8= L7C9 -8-9- L7C9 =9= L7C8 -9- L1C8 =9= L1C7 -9-7- L1C7 =7= L1C4 donc L1C4 ≠ 4