To me, it looks like uncircumcised vs circumcised between 1 & 2 and 4 & 5, and then I think 1&2 are traditional male parts, and 4&5 are penis and vagina. I haven't explored them, though, so I can't say for sure, but I thought I'd provide an answer to anyone else wondering.
Tsunoba
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A member registered Feb 27, 2023