红葉puzzles（PP131）: Slitherlink21
(Published on 4. September 2021, 13:30 by cdwg2000)
Authorized by the author 红葉（MOMIJI), he plans to publish his hand-made standard puzzles on this website, with 1 to 2 questions per week.
If you like it and have good suggestions, you can leave a message.
Author: 红葉 (MOMIJI), from China, this question comes from his personal blog.
Slitherlink
Draw a single continuous loop by connecting neighboring dots along the dotted lines. The numbers indicate how many edges of a cell are used for the loop. The loop may not touch or cross itself, and it doesn't need to touch all of the dots.
See
Nikoli linkfor an example.
Solution code: For each row the longest run of cells inside the loop.
Solved by zorant, Dandelo, Raistlen, Jesper, CJK, r45, Dina, Greg, CHalb, Mjb99, ArchonE-mobile, SudokuExplorer, saskia-daniela, Zzzyxas, moss, Nusi, Bobby, Mark Sweep, skywalker, adam001, uvo, derwolf23, ... jirk, cha, rubbeng, jogerth, zebraze, Zarite , Autuumn, pieter888, bakpao, AndreasS, Polyprism, Toastbrot, hopppe, Aruscher, Kekes, schlathubali, jkuo7, KNT, dendrobium, jsxft, Echatsum
