Three digits

src/freedombone

   apt-get -y install babeld avahi-utils avahi-autoipd
 
   numarray=( 1 2 3 4 5 6 7 8 9 0 )
-  a=${numarray[$RANDOM%10]}${numarray[$RANDOM%10]}
-  b=${numarray[$RANDOM%10]}${numarray[$RANDOM%10]}
+  a=${numarray[$RANDOM%2]}${numarray[$RANDOM%10]}${numarray[$RANDOM%10]}
+  b=${numarray[$RANDOM%2]}${numarray[$RANDOM%10]}${numarray[$RANDOM%10]}
   echo '#!/bin/sh' > /usr/bin/mesh-babel
   echo 'systemctl stop networking' >> /usr/bin/mesh-babel
   echo 'ifconfig wlan0 down' >> /usr/bin/mesh-babel