Setup and opening position
A deterministic sequence of valid block rotations scrambles the numbers one through nine from their row-major target while preserving a provably reachable opening.
Twiddle Puzzle
Return the three rows to one-through-nine row-major order using only legal overlapping two-by-two rotations.
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How to play
Return the three rows to one-through-nine row-major order using only legal overlapping two-by-two rotations.
- A deterministic sequence of valid block rotations scrambles the numbers one through nine from their row-major target while preserving a provably reachable opening.
- Choose any of the four two-by-two blocks and rotate its four numbers one quarter-turn clockwise or counterclockwise. Individual tiles cannot move alone or leave the grid.
- Return the three rows to one-through-nine row-major order using only legal overlapping two-by-two rotations.
Strategy tips
- Use overlapping blocks to carry a misplaced number toward its target while monitoring the three companions that rotate with it; inverse turns can preserve earlier progress.
- Focusing on a single number hides the three simultaneous changes in every move, so a locally correct corner can be destroyed by an adjacent block rotation.
- Once most positions match, compare clockwise and counterclockwise options in the smallest affected block and follow the constructive hint rather than creating a long cycle.
Complete guide
Rules, scoring, and strategy
Twiddle Puzzle is a complete browser implementation with its own versioned rules profile. Order nine numbered cells by rotating overlapping two-by-two blocks on a three-by-three board, choosing either clockwise or counterclockwise quarter-turns.
Legal moves and game flow
Choose any of the four two-by-two blocks and rotate its four numbers one quarter-turn clockwise or counterclockwise. Individual tiles cannot move alone or leave the grid.
Winning and terminal positions
Return the three rows to one-through-nine row-major order using only legal overlapping two-by-two rotations. Once most positions match, compare clockwise and counterclockwise options in the smallest affected block and follow the constructive hint rather than creating a long cycle.
Practical strategy
Use overlapping blocks to carry a misplaced number toward its target while monitoring the three companions that rotate with it; inverse turns can preserve earlier progress. Focusing on a single number hides the three simultaneous changes in every move, so a locally correct corner can be destroyed by an adjacent block rotation.
Questions players ask
What is the objective in Twiddle Puzzle?
Return the three rows to one-through-nine row-major order using only legal overlapping two-by-two rotations.
Which moves are legal in Twiddle Puzzle?
Choose any of the four two-by-two blocks and rotate its four numbers one quarter-turn clockwise or counterclockwise. Individual tiles cannot move alone or leave the grid.
What should I plan first in Twiddle Puzzle?
Use overlapping blocks to carry a misplaced number toward its target while monitoring the three companions that rotate with it; inverse turns can preserve earlier progress.