5BLD x-centres (Ubr buffer)

Standard

Since the 2010s

Every case cross-checked

Every 3-cycle of the Ubr x-centre buffer on the 5x5: 506 cases.

Group

A first

3Lw' 2R' 2D2 2R U 2R' 2D2 2R U' 3Lw

16 HTM · 3 algs

3Fw' 2B' 2D2 2B U 2B' 2D2 2B U' 3Fw

16 HTM · 3 algs

U' 2L 2U' 2L' U 2L 2U 2L'

14 HTM · 3 algs

2R' 2U' 2R U 2R' 2U 2R U'

14 HTM · 3 algs

U' 2L' 2D' 2L U 2L' 2D 2L

14 HTM · 3 algs

2R 2D' 2R' U 2R 2D 2R' U'

14 HTM · 3 algs

Uw' 2L 2U 2L' U 2L 2U' 2L' 2U

16 HTM · 3 algs

2U 2R' 2U' 2R U 2R' 2U 2R Uw'

16 HTM · 3 algs

U' 2L' 2D2 2L U 2L' 2D2 2L

14 HTM · 3 algs

2R 2D2 2R' U 2R 2D2 2R' U'

14 HTM · 3 algs

U' 2L 2U 2L' U 2L 2U' 2L'

14 HTM · 3 algs

2R' 2U 2R U 2R' 2U' 2R U'

14 HTM · 3 algs

U' 2L' 2D 2L U 2L' 2D' 2L

14 HTM · 3 algs

2R 2D 2R' U 2R 2D' 2R' U'

14 HTM · 3 algs

U' 2L 2U2 2L' U 2L 2U2 2L'

14 HTM · 3 algs

2R' 2U2 2R U 2R' 2U2 2R U'

14 HTM · 3 algs

Rw' U 2R U' 2L U 2R' U' 2L' Rw

14 HTM · 3 algs

Lw 2R' U' 2L' U 2R U' 2L U Lw'

14 HTM · 3 algs

2L2 D 2R2 D' 2L2 D 2R2 D'

12 HTM · 3 algs

D' 2L2 D 2R2 D' 2L2 D 2R2

12 HTM · 3 algs

D2 2L2 D 2R2 D' 2L2 D 2R2 D

13 HTM · 3 algs

D 2L2 D 2R2 D' 2L2 D 2R2 D2

13 HTM · 3 algs

Source: BLDDB (Zixing Wang), https://github.com/nbwzx/blddb/blob/v2/public/data/bigbld/xcenterManmade.json and Cubemuch, https://cubemuch.com/en/algs/5x5/3-style/, 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.