i was thinking some thing like http://www.mapeditor.org/ but it doesnt let you create .txt or .map file.
o and by .txt or .map file i mean:
Expand|Select|Wrap|Line Numbers
- 000000000000000000000
- 000000000000000000000
- 110000000111000000000
- 000000000000000000000
- 222200022220002220002