SudokuloftSmall turns. Shared movement. One quiet alignment.
Numbered markers belong in the outlined targets at twelve o’clock.
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Move each numbered marker to the outlined target at twelve o’clock on its ring. Every ring has eight positions. Rings are linked: turning one also turns its immediate inner neighbour by the same amount.
The filled numbered circle is a marker; the dashed circle at the top is its target. The outermost ring is 1, followed by 2, 3 and so on as you move inward. A check beside a ring tells you it is aligned with the target.
Choose clockwise or anticlockwise to move a ring one position, or 45 degrees. Turning ring 1 also turns ring 2. It does not turn ring 3. The innermost ring has no inner neighbour, so it moves alone. Each control reminds you which other ring it turns.
Align the outer ring first. Then use ring 2 to align the next marker: its movement leaves ring 1 alone. Continue inward, adjusting the next pair until you reach the centre. This order lets you keep the alignments you have already made.
Finish with the innermost ring, which can turn by itself. All markers must be in their top targets at the same time. Easy has three rings, Medium four and Hard five. Undo reverses an entire turn, including its linked neighbour.
Every marker must occupy the top target together. The aligned counter reaches the number of rings. Turns are counted, but there is no maximum or time limit.
A ring turns only its immediate inner neighbour, not every ring inside it. If an inner marker moves out of place while you solve an outer ring, that is expected: you will solve the inner one afterwards.
Use the labelled left/right controls with mouse, touch, Tab and Enter. Hint performs one useful turn from the outside inward. Undo reverses both linked movements of your last turn. Ring labels also describe positions for screen-reader users; the top target is position 1 of 8.
Every puzzle is open from the start. Switching puzzles keeps your accepted answers, and Restart clears only the current attempt after confirmation. Your solved record remains. Progress stays in this browser; clearing site data removes it, and another device or browser has its own notebook.