problem number 4

[dagrom]

o o o o o o o o
o o o o o o o o
o o o o o o o o
o o o o o o o o
o o o o o o o o
o o o o o o o o
o o o o o o o o
o o o o o o o o


can you put an "x" in each row so that it isn't in the same coloumn OR diagonal as another "x"

i think there are only 8 ways to do it. good luck.

-dag