Maestro n° 103 : Page 37 - Gr 34

XY-Chain Eclate Renforce

r5c9 +7+ r7c7 +3+ r6c2 -9 => r6c89 ≠ 9. The candidates 7 in cells r57c4 used as strong link for the indirect link r5c9 +7+ r7c7 and the candidates 3 in cells r4c27 used as strong link for the indirect link r7c7 +3+ r6c2