Ub-perm is a 2-look PLL case on the One-handed 3x3 (EPLL, medium). Algorithm: z U' R U' R' U' R' U' R U R U2'. Below are 2 variants with a 3D animation and a scramble to practise.

My Reminder
My status:don’t know
How the status is counted

Training counts the status. A case added to training gets “learning”, and “known” after 5× “correct” in a row with the timer and without hints, when the average time is within the category threshold (Settings). 2× “wrong” in the last 3 attempts or much slower times drop it back to “learning”. Daily tasks don’t change the status.

How to recognize

One side is fully solved (a bar), and on the other three the edges cycle counterclockwise.

Algorithms

Tap a variant to see it in 3D.

  1. Main variant

Scramble

From a solved cube: yellow on top, green in front.

Generating a scramble…