Maestro n° 103 : Page 84 - Gr 81

AIC Type 2

r8c2 =7= r1c2 -7-9- r1c2 =9= r1c6 -9-3- r1c6 =3= r1c9 -3-5- r1c9 =5= r6c9 -5- r6c3 =5= r5c3 -5-1- r5c3 =1= r8c3 => r8c2 ≠ 1 and r8c3 ≠ 7