So much fun. I suggest doing it one color at a time (you can't use info from any other color unless it's provably not unique without that) if you want to make it harder. Well worth the effort.

So much fun. I suggest doing it one color at a time (you can't use info from any other color unless it's provably not unique without that) if you want to make it harder. Well worth the effort.

took a lot of time but the result is great!

took a lot of time but the result is great!

If I remember correctly when I solved this (5/2011), it had quite a bit of fill-in so that could be of some help.

If I remember correctly when I solved this (5/2011), it had quite a bit of fill-in so that could be of some help.

wow!

wow!

brilliant

brilliant

beautiful, worth the effort.

beautiful, worth the effort.

de locos bonito

de locos bonito

A lot of hard work, but pretty

A lot of hard work, but pretty

Pěkné, ale těžké. Velké drobnosti.

Pěkné, ale těžké. Velké drobnosti.

That one was a bear and I don't mean Smokey the bear either.

That one was a bear and I don't mean Smokey the bear either.

i agree kokomo..., but the result is good

i agree kokomo..., but the result is good

Way to tedious for the number of points

Way to tedious for the number of points

pretty picture, but the most tedious puzzle I've done

pretty picture, but the most tedious puzzle I've done