Need help cant ender my wii FC?

[R DOT]

It says im not putting it in right when I try to put it in on the site... my code is 1376-7775-3596 and thats how I've been entering it

 

[prinplup]

yeah i had trouble with that too but i dont remember how i got it maybe take out -

 

[R DOT]

still cant get it