Slitherlink

Here is my second Slitherlink puzzle. My solver thinks it’s rather difficult. What do you think?

You can read The rules of Slitherlink (Takegaki, loop-the-loop, loopies…).

Slitherlink 11×11 for Monday, March 4, 2010. Difficulty: INSANE?

Enjoy and do comment, please! 🙂

Slitherlink.