Maestro n° 103 : Page 84 - Gr 81

AIC Type 1

r5c1 =4= r5c5 -4-7- r5c5 =7= r5c7 -7-1- r5c7 =1= r5c3 -1-5- r5c3 =5= r6c3 -5- r6c9 =5=4= r6c9 => r6c13 ≠ 4