EA          ./ressources/default_wall_east.xpm
NO ./ressources/default_wall_north.xpm
SO ./ressources/default_wall_south.xpm
WE ./ressources/     default_wall_west.xpm
F 0,100,255     
C     255,   0,    25     

1111111111111111
1N0000000000001
100000000000001
100000000000001
100000000000001
111111111111111