here info about mapnumber's
0:Lorencia
1:Dungeon(1-3)
2:Davias(Devias)
3:noria
4:losttower(1-7)
5:Extile(no map =[ )
6:atlans
8:tarkan
9:devil square (1-4)
10: icarus
11-17 : bc 1-7
18-23 : chaos castle (i think)
24 : kalima (no map =[ )