3-style corners (UFR buffer)
Standard
Since the 2010s
Every case cross-checked
Every 3-cycle of the UFR buffer with two other corner stickers: 378 cases.
A first
AB
R' B' R2 D R' U' R D' R' U R' B R
13 HTM · 4 algs
AD
R' U2 D' R' D R U R' D' R U D R
13 HTM · 4 algs
AF
F U2 R' D' R U2 R' D R F'
10 HTM · 4 algs
AG
R' D R U2 R' D' R U2
8 HTM · 1 alg
AH
U' R D' R' U2 R D R' U'
9 HTM · 2 algs
AI
l' U D' R D R' U2 R D' R' U D l
13 HTM · 4 algs
AK
U' D R D R' U2 R D' R' U' D'
11 HTM · 4 algs
AL
U' D' R D' R' U2 R D R' U' D
11 HTM · 4 algs
AN
R' U D R2 U' R' D' R U R' D R' U' D' R
15 HTM · 4 algs
AO
U' R D R' U2 R D' R' U'
9 HTM · 2 algs
AP
R' D' R U2 R' D R U2
8 HTM · 1 alg
AQ
R' U2 D' R' D R U2 R' D' R D R
12 HTM · 4 algs
AS
U' D' R D R' U2 R D' R' U' D
11 HTM · 4 algs
AT
U' D R D' R' U2 R D R' U' D'
11 HTM · 4 algs
AU
R F' R' U' R D R' U2 R D' R' U' R F R'
15 HTM · 4 algs
AV
R2 U R2 D R2 D' R2 U' R2 D R2 D'
12 HTM · 4 algs
AW
R D' R2 D R U2 R' D' R U2 R D R'
13 HTM · 4 algs
AX
R' U' D' R2 U' R' D R U R' D' R' U D R
15 HTM · 4 algs
Source: BLDDB (Zixing Wang), https://github.com/nbwzx/blddb/blob/v2/public/data/cornerManmade.json, retrieved 2026-10-29: every algorithm the engine finds solving one of this set's cases, whatever buffer or letters the source files it under; BLDDB's ranked by how many of the solvers whose sheets it collects list each. Every algorithm shown was checked by the logic engine; rejected ones are listed in docs/db-exclusions.md.