Well, those maps are good, but they are so unnecessarily large. Here's my much smaller solution map, made from the mini-map.
Map notes:
Click here to view the secret text
×
red=start, brown=roach, orange=exit
Note that you do NOT need to break through a breakable wall.
Or, if you just want a HINT, you could do something similar to what I did: Wander around a bit, then go to the Restore screen. Select the Entrance room, then press Print Screen to take a screen shot, and paste it into Paint. Zoom in on the mini-map. Then pick a bright color and paint a passage that goes to a room that you haven't explored yet. If the color hits a "
crossover"
or an open door or something, paint the other side of it. (Note: open doors do not show up on the mini-map in Architect's Edition.) Once the color hits the edge of the entrance room, you'll see how to get to the unexplored room from the entrance.
If for some reason you are lost and have trouble getting back to the entrance, you could just paint the passage you are in. Or better yet, mark your location in the passage with a dot of color, then paint on both sides of the dot with different colors.
Once you have explored a few new rooms, take another screenshot at the Restore screen, and do some more painting. Repeat this process until you find the exit room.
I made my solution map by painting paths in different colors and then using white to paint away the dead ends.