The one that shoots best in your rifle. .22 rifles notoriously prefer one brand of ammo over another, and it is a fairly random preference. Two rifles made together on the assembly line and one will like brand X while the next might prefer brand Y.
Serious .22 shooters know what brand (and lot#) their rifles like and they've bought all of it they can find. Other less serious shooters (like me), simply test three or four boxes and find which one the rifle seems to prefer, then go buy a brick or two of it.
When you run out of that ammo, you start testing again. Or, you learn to live with ammo that your rifle might simply shoot well enough to satisfy the shooter. Either way, it's a great excuse to do a little shooting.