Hints for Wei-Hwa's Puzzle Challenge Puzzle 4 - Minesweeper

I received a few emails for puzzle 4. Some are disappointed, some love it, and some are confused.

For all you confused people, especially 'symbol' and 'knight' variations, here is a link to help you sweep all those mines away.

http://solvepuzzles.googlepages.com/answers4

Love the minesweeper challenge? What to test your friends on 'symbol' and 'knight' variations?

http://solvepuzzles.googlepages.com