CMLL Algorithm Trainer
42 cases in 8 groups. Pick the groups to drill and how you want to practice.
Which statuses?
Which groups?
How do you want to practice?
R U R2 F' R U R U' R' F R U' R'
Virtual CubeSolve the case on an on-screen cube.
Start the training drill!42 cases · Flashcard, timed
The trainer drills the algorithm you chose for each case. Change them on the CMLL algorithms page
What is CMLL?
CMLL is the third step of the Roux method. With both blocks built, one algorithm orients and permutes the four last-layer corners, ignoring the M slice, so only the last six edges are left. There are 42 CMLL cases.
New to CMLL? A common way in is to orient the corners with a few algorithms first and permute them with a second, then learn full CMLL one orientation group at a time with the group cards above.
Frequently asked questions
- How do I practice CMLL algorithms?
- Pick which cases to drill, then one of three modes: Flashcard (see the case, recall the algorithm), Virtual Cube (solve on a 3D cube with a Bluetooth smart cube or your keyboard) or Scramble (set the case up on your own cube and solve it). The trainer serves the cases you are still learning, the ones you fail and the slow ones more often than the ones you already know.
- How many CMLL algorithms are there?
- There are 42 CMLL cases, one algorithm each, grouped by how the corners are oriented.
- How does the trainer know which CMLL cases I know?
- From the status you give each algorithm in the CMLL database: Not known, Failing, Learning, Getting there or Muscle Memory. Filter the drill by status to practice only the cases you are learning, and update a status as it changes.
- Do I need a smart cube?
- No. Flashcard and Scramble work with any cube, and Virtual Cube mode also takes keyboard input. A Bluetooth smart cube lets Virtual Cube mode follow your turns on a real cube.