SkimmIQ Lab
Edit state and replay
editorChooses which face SQN calls Front. The current state and replay rotate with it.
Move input
Complete the highlighted field
Ready
Cube moves are recorded
Waiting for state.
Every valid pattern is solvable. Exact group proofs for all six layouts show that any arrangement with the required color counts is reachable from solved - and can be solved again.
Use R (row), C (column), or D (depth), for example R1-3. F/B/L/R/U/D are face labels for the state, not move families.
No replay moves.
Checking configuration...