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Although this scramble was significantly easier to find a sub-20 move solution to than the last one in which I found 19 HTM solution to, the approach I took to this scramble was the following two 18 HTMs (four moves longer than your solution). Clearly the second solution is more along the line of what you did, but your solution clearly is the smartest choice.

R2 U R' R U R R U' R' U
U R
U' U2 R U R' U R U2 R' U
R' U'
[Link]

R2 U2 R U R U2 R' U'
U'
U' R' U' R' U' R U R U R
U
[Link]

@Christopher Mowla Your second skeleton you found above can actually result in an 11 if you allow a couple non-RU moves!
This is what I'm talking about-

Scramble: R U' R' U' R U2 R2 U' R U' R2 U2 R U R U' R' U' R' U2 R' U R U' R2
Your second solution without that 3-cycle: R2 U2 R * U R U2 R' U'
*= R' S2 R U R' S2 R U' (edge 3-cycle commutator insertion cancels 5)

Final Solution- R2 U2 S2 R U R' S2 R2 U2 R' U'
11 STM (13 HTM)

U' R U' R U' R' U' R //cross edge+pair 8/8
U R U R' U2 R U R' //F2L 8/16
R U R' U R U2 R2 U' R U' R' U2 R U2//2GLL 14/30, though 3 moves cancel, so 11/27 if you take that into account

orange side (not pure 2-gen, because here it's better):

y2 z

D' R U R' D R' U' R //F2L (solve front pair with keyhole, which sets up second pair) 8/8
U R2 D' R U' R' D R U R' D' R U R' D R U R U' R' U' R//pi ZBLL (quite fast tbh) 22/30

alternate ZBLL for OH for those who are curious: R' U L' U R U' L U R U R2 U R2 U2 R'

orange side, pure 2-gen solution:

y2 z

R U R2 U' R //first pair, 5/5
U R U R' U' R U R' U' R U R' //F2L 12/17
U' R U R' U' R U' R' U2 R U' R' U2 R U R' U' //2GLL (personally I prefer this over sune combo for this case and its inverse) 17/34

new scramble: U R' U2 R' U2 R' U2 R' U R2 U' R2 U2 R' U R' U2 R2 U2 R2 U2 R U2 R U'