I’ve heard that in order for this to work it is important to ensure that one of the cats is the Model M version and the other must be a Model F version.
Equally important, you must respond “No” when asked whether you want the “Neutering” feature enabled. This applies to both cats.
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You could also buy just two then wait a while and through some inexplicable magic, you'll gave 64 cores of cat.
I’ve heard that in order for this to work it is important to ensure that one of the cats is the Model M version and the other must be a Model F version.
Equally important, you must respond “No” when asked whether you want the “Neutering” feature enabled. This applies to both cats.
But be aware the resulting catsplosion will grind the simulation to a halt at some point
Are these the big/little cores I've been hearing so much about?
Ah yes, the famous "Meow's Law" of kitty density doubling.