Yarn Loop level guide
Yarn Loop Level 351 Walkthrough
Level 351 goal: collapse the green frame and inner white rails in parallel, because uneven border trimming is the main chokepoint. The board is structural rather than pictorial, and late progress turns into a delicate ladder cleanup if one side wall survives too long. Open side feeds early and keep the lower dark-green block shrinking so the frame narrows evenly toward center.
Verified Board Notes
- Initial Layout Geometry
- The board opens with a bright green rectangular gate or railing shape, outlined by white bars, with a darker green block at the bottom and a mostly open pale center.
- Goal / Target Area
- The outer green frame and the inner white bars have to shrink together. If the border is trimmed unevenly, the level ends with thin ladder-like leftovers along one side.
- Opening Moves
- Start with the side feeds that hit both the white rails and the green border, then keep the lower dark-green section moving so it does not outlive the upper frame.
- Danger Zone
- The tightest phase is around 01:40-02:05, when the rectangular shape has become a slanted green skeleton with only a few white support bars still attached.
- Unique Mechanics
- Level 351 is a structural board rather than a picture board. Progress depends on removing the frame evenly, because the late game turns into a delicate cleanup of thin bars.
Quick Tips for Level 351 (spoiler-free)
- Trim both side posts and nearby white rails together instead of clearing one wall first.
- During `01:40-02:05`, target the longest green diagonal and attached white bars before tiny fragments.
- Keep the lower dark-green section moving early so late ladder leftovers do not anchor the frame.
How to Solve Yarn Loop Level 351 — Full Solution
- Open the strongest side feeds that hit both the green border and inner white rails.
- Weaken the lower dark-green block while top corners are still connected to the frame.
- Alternate left and right wall trims so the rectangle collapses evenly instead of leaning to one side.
- In `01:40-02:05`, remove the longest diagonal remnant and the nearest white support bars before isolated singles.
- Finish by sweeping the last corner scraps and inner-frame bars after the taller side finally drops.
Common Mistakes to Avoid
- Not planning the chain clear: each finished route should immediately set up the next one.
- Moving a yarn segment without confirming the matching color can still connect later.
- Ignoring choke points where two colors cross and block each other.
Frequently Asked Questions
Why does Level 351 stall when most of the middle already looks open?
The input describes a structural frame board where the outer green border and inner white rails must shrink together. A mostly empty center does not help if one wall still acts like a ladder.
What is the key decision during the `01:40-02:05` phase on Level 351?
Prioritize the longest surviving green diagonal and the white bars attached to it. That is the phase where the board becomes a thin skeleton, so tall connected pieces matter more than tiny scraps.
What usually blocks the final clear on Level 351?
Late finishes are typically delayed by one taller side post, a few inner white rail bars, and corner leftovers around the shrinking frame.