Unico feral flying pig vs UF-13 vs year of the rat?

Enjoying the flying pig 9/t52 a lot and want to keep exploring the line up. Hearing UF13 - Rat series is great as well. Any feedback would
be awesome! Thanks:)

UF-13, T52 and No 9 are my favs in that order

Haven’t had the uf 13 but I really like the t52

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I'm after the 13's!