Maestro n° 103 : Page 82 - Gr 79

XY-Chain Eclate Renforce

r8c8 +6+ r6c1 -7- r4c2 -5- r9c2 -8 => r8c2 et r9c9 ≠ 8. The candidates 6 in cells r68c5 used as strong link for the indirect link r8c8 +6+ r6c1