Maestro n° 103 : Page 70 - Gr 67
Arme = c6, Soie = b2, Intersection = r12c6 - {23678} (r4589c6 - {12347}, r23c5 - {568}) => r13c4 ≠ 8, r6c6 ≠ 3 and r6c6 ≠ 7