Maestro n° 103 : Page 64 - Gr 61

AIC Type 2

r9c3 =3= r2c3 -3- r1c1 =3= r6c1 -3-5- r6c1 =5= r6c9 -5- r4c7 =5= r8c7 -5-9- r8c7 =9= r9c7 => r9c7 ≠ 3 and r9c3 ≠ 9