Sudoku Suprême n° 039 : Page 20 - Gr 17

L’Approche du tigre (Grouped Discontinuous Nice Loop)

L5C7 -1- L5C6 =1= L45C4 -1- L1C4 =1=7= L1C4 -7- L1C8 =7= L6C8 -7- L6C2 =7=8= L6C2 -8- L5C2 =8= L5C7 donc L5C7 ≠ 1