Halp...

[Goose]

[Silver Knight]

0 = 1
1 = 0
2 = 0
3 = 0
8 = 2
9 = 1

2581 = 2

[Knife_cz]

0 = 1
1 = 0
2 = 0
3 = 0
8 = 2
9 = 1

2581 = 2

Exile solved it under 10 minutes, he is pre-school
:)

[StickyWicket]

Exile solved it under 10 minutes, he is pre-school
:)

Gee, I didn't know that Last.Exile was a pre-school. Maybe when I grow old I'll send my kids to him so they can learn the colors of the rainbow!

[CC]

Just count the circles in the numbers. ++++++++++

[Silver Knight]

Just count the circles in the numbers. ++++++++++

I did it by breakdown of math, but that is indeed a very pre-school answer XD