Table filled!
line    1: accepted: dx=2
line    2: accepted: dy=3
line    3: accepted: dx=9 
line    4: accepted: dx=55
line    5: accepted: dy=09
line    6: accepted: dx=5 dx=1 go
line    7: error: da=1
~~~~~~~~~~~~~~~~~~~^
line    8: error: indy=1
~~~~~~~~~~~~~~~~~~^
line    9: accepted: dx=999
line   10: accepted: dy=-10
line   11: error: dx=--5
~~~~~~~~~~~~~~~~~~~~~~^
line   12: error: dx=-
~~~~~~~~~~~~~~~~~~~~~~^
line   13: error: dy=
~~~~~~~~~~~~~~~~~~~~~^
line   14: accepted: dx=-0 dy=55 go dx=197 dy=-2
line   15: accepted: dx=20     dy=20 
