Hello Codeforces!

UPD. I_love_natalia crashed the checker by his maze with $$$10^9$$$ moves. The problem is resolved now and all of the solutions rejudged. Scoring is changed. More info

UPD 2: The official site https://buglab.ru/ was updated. See comment.

I'm happy to invite you to an unofficial mirror of Bug Game. In this game you need to generate a $$$21 \times 31$$$ maze with the maximum number of bug's moves to get out. The bug moves not optimally and you will see a description of algorithm of its movement in the statement of this problem. Based on given algorithm you will be able to create a maze and submit it.

Privacy: your solutions (your mazes) will be visible only for mfv.

Invitation link: click here

Date: April 18, 2023, 00:00 UTC+3

Duration: 2 weeks, then upsolving and virtual participation.

Scoring: if you will be able to generate the maze with $$$X$$$ moves to get out, then your solution will get $$$\frac{x}{10^5}$$$ points.

Official Russian site of Bug Game: click here