Tuesday, 14 October 2025

bakpao

Today's GAPP is an Inequality! Inspiration comes from the 24HPC round authored by the Chinese team. This type is very similar to Equality, which we've featured twice in the past, with the only difference being that the lengths of the loop's visits to a region must be different instead of the same.

Rules: Draw a non-intersecting loop that passes orthogonally through centers of some cells. The loop must visit each region at least twice. Any two visits to the same region must visit a different number of cells. Numbers indicate the number of cells not visited by the loop in the region.

Interface note: The preselected input mode is 'Line OX', so you can mark which cells must and must not be visited by the loop. If you want to use auxiliary cross marks on cell borders instead, switch to 'Line x' within the Composite -> Loop menu or use Edge -> Helper.

Acquire a Speedy Sloth 🦥 by solving in 2:30 or less!
Obtain a Quick Crab 🦀 by solving in 5:00 or less!
All solvers who complete the puzzle will be rewarded with a Square Stilt 🐦!

Example (Penpa+): https://tinyurl.com/ycxtjedr
Main (Penpa+): https://tinyurl.com/2b8ddfv5