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F R U2 B U2 F2 L2 D2 B L2 F' U2 L2 R B U L R' U R2

x'
U' D2 r' // xcross
R U' R' U2 R' U' R D // f2l2
R' U R D // f2l3
R' U R // f2l4
U2 R U2 R2 U' R2 U' R2 U2 R U' // ll
less than 30 moves and almost entirely RUD-gen

I've been looking through the 3x3 rankings on WCA, and I saw a person named Robert Yomi Cadenas Nuñez get a 4.65 (SaR). I looked through the scrambles for solve 2 in round 2, and I think he was in group B, because the scramble seems most likely to be a fast one. (Other scrambles didn't seem too good, but I only looked on white) For reference, Robert Yomi Cadenas Nuñez averaged high 8 in the competition.

Here's the scramble:
B2 F2 R2 D' F2 R2 D U' R2 B R2 F2 L' D' U' B D L' F2 L2

The shortest x-cross solution I found was:
z2 y // inspection
u2 R2 F' R' u'

Then I've tried every way of doing the last three pairs, but I didn't get anything that might give a sub-9 cuber a sub-5. Then again, I might be wrong about the scramble. Here are the group A and group C scrambles:
A: F2 U2 L2 F2 D2 F' U2 F' L' F' R2 D2 L2 U' R D R' U2 L
C: R F' R' L2 D2 F2 U2 B2 U2 L2 B' U2 F R' B' D L F R B

Easy X-cross + 1, but from where I did it I stupidly left both front slots solved, then proceeded to do pairs 3 and 4 sub-optimally, got a dot OLL and then it all went down from there...

I've been looking through the 3x3 rankings on WCA, and I saw a person named Robert Yomi Cadenas Nuñez get a 4.65 (SaR). I looked through the scrambles for solve 2 in round 2, and I think he was in group B, because the scramble seems most likely to be a fast one. (Other scrambles didn't seem too good, but I only looked on white) For reference, Robert Yomi Cadenas Nuñez averaged high 8 in the competition.

Here's the scramble:
B2 F2 R2 D' F2 R2 D U' R2 B R2 F2 L' D' U' B D L' F2 L2

The shortest x-cross solution I found was:
z2 y // inspection
u2 R2 F' R' u'

Then I've tried every way of doing the last three pairs, but I didn't get anything that might give a sub-9 cuber a sub-5. Then again, I might be wrong about the scramble. Here are the group A and group C scrambles:
A: F2 U2 L2 F2 D2 F' U2 F' L' F' R2 D2 L2 U' R D R' U2 L
C: R F' R' L2 D2 F2 U2 B2 U2 L2 B' U2 F R' B' D L F R B

Double post ig but:
x2 D2 R' B' R U2 R' D' // X-cross (not optimal but realistic)
U L U2 L' U L U' L' // Pair #2
D U' R' U R D' // Pair #3
U2 R U' R' y U' L' U L // Pair #4
R U R' U R U2 R' // (C)OLL
U2 M2 U' M U2 M' U' M2 U // EPLL
Seems pretty fast to me, it's extremely ergonomic X-cross, great lookahead, and an EPLL

Use r U2 R' U' R U' r' for that OLL, imo it's faster to excute than the one you used. (They are both the same alg though, this one also gives a T perm at the end.)

4x4 F2 L2 D F B2 U2 R' B L' U2 R F2 D2 R D2 R2 D2 L' F2 R2 B Rw2 Uw2 L' B Uw2 F2 L B' L2 B2 L2 Uw' L2 F' Uw F2 L2 R Rw F' Rw2 B' Rw' Uw'
Luckiest 4x4 scramble i've gotten. Yellow Centre is already solved, white is 5 moves away from being solved.

easy as heg yellow cross
L2 B2 R2 F2 U2 B2 F2 L R2 F2 D U' F' R' U' R' U' L2 U2 F
such a good scramble that even at almost 1 am i still managed to pull off an 11 second solve lmno

easy as heg yellow cross
L2 B2 R2 F2 U2 B2 F2 L R2 F2 D U' F' R' U' R' U' L2 U2 F
such a good scramble that even at almost 1 am i still managed to pull off an 11 second solve lmno