Looks to me like a male and 3 females. The only sure 100% way to tell is to find a female holding. Another way to tell is to vent them. You hold them in your palm and look at the holes on their tummy. A males holes will look like this oo an female like this oO. If you try this, start with the male so you can see what a male looks like, then the others. If the others holes are one small one big, that is a female. Here is what I mean:
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