+2094 Rom was incorrect? Sorry about that. This will be better.
https://math.stackexchange.com/questions/3157642/counting-pairs-of-animals
+1072 I also got the same answer as the people on that website, but it was also incorrect.
+2094 We can pair them up in 5*4*7 which is 140 ways. (They are distinguishable, remember?)
