Maestro n° 103 : Page 87 - Gr 84
r6c3 -6- r6c8 +4+ r9c6 +3+ r8c3 -1- r6c3 -1 => r6c145 ≠ 6. The candidates 4 in cells r69c5 used as strong link for the indirect link r6c8 +4+ r9c6 and the candidates 3 in cells r3c36 used as strong link for the indirect link r9c6 +3+ r8c3