Congratulations, you found the map!
alley: 1 2 3 4
back garden: 1 2 3
back kitchen: 1
toilet: 1
bend in the corridor: 1
cellar: 1 2
corridor: 1 2
Dirk's room: 1
Edgar's room: 1
front of the house: 1
hall: 1 2
kitchen: 1 2 3
shed: 1
next to the shed: 1
behind the shed: 1
shower: 1
staircase: 1
terrace: 1