Building the cross table…

Searching all 190,080 cross states

Cross Trainer

White cross · scrambles filtered by exact difficulty

Difficulty

Optimal cross length. Percentages are how often each turns up in a random scramble.

Front colour

Which colour faces you while you solve. Changes the notation only, never the solution.

Randomise every scramble

Scramble

Hold white on top, green in front, then apply:

—

Now z2 — white on the bottom, green in front.

Your solution optional

Type what you found and get it graded. Lower case is fine; inline y rotations are understood.

Solutions

Session

Every optimal solution is found by walking a precomputed distance table over all 190,080 cross states — not by searching at request time.