Sombreroman
the burrowers signal cut out.
28 minutes pass until a new burrowers signal is received.
the message starts. the voice is of a robot.
8 9 4 7 2 1 0 -north... -7 4 8 5 6 4 1 -west... 3 8 4 5 9 7 8 -vertical...
the message then loops, with an audible cut from the end of the message to the start.
42 minutes pass until yet another signal is received.
-need- ... ... ... -surrounded by- ... ... ... ... -can't get to- ... ... ... -dictator is- ... ... ... -must stop- ... ... ... -owers won't survi- ... ... ... -heavily defen- ... ... ...
it appears the device sending the signal is damaged.
the burrowers are in lots of trouble it sounds.