Maestro n° 103 : Page 79 - Gr 76

XY-Chain Eclate Renforce

r8c7 +9+ r5c1 +1+ r9c5 -4- r9c1 -7 => r8c1 et r9c89 ≠ 7. The candidates 9 in cells r4c17 used as strong link for the indirect link r8c7 +9+ r5c1 and the candidates 1 in cells r4c15 used as strong link for the indirect link r5c1 +1+ r9c5