Maestro n° 103 : Page 82 - Gr 79

XY-Chain Eclate Renforce

r4c2 -7- r6c1 +6+ r9c6 +4+ r3c3 -5 => r23c2 ≠ 5. The candidates 6 in cells r68c5 used as strong link for the indirect link r6c1 +6+ r9c6 and the candidates 4 in cells r39c1 used as strong link for the indirect link r9c6 +4+ r3c3