Blue Caterpillars (Region Sum Line Sudoku)
(Published on 17. April 2026, 22:24 by ArachnoSudoku)
Each row, column, and 3x3 box contains the digits 1 through 9. Box borders divide blue Region Sum lines into segments with sums of equal value.
Thank you to all solvers, please enjoy!
Solution code: Column 5, from top to bottom.
Comments
today, 07:01 by antiknight
Amazing puzzle! Great break-in and nice deductions for a pure RSL.
today, 03:14 by Perladel
Very clever break-in, but the icing on the cake was the last deduction: beautiful.
today, 00:24 by Exigus
Excellent, thanks!
yesterday, 15:12 by samuel1997
Fantastic puzzle! The geometry used here is unbelievably clever! Thank you.
on 17. April 2026, 23:41 by nunc
The break-in was tricky (even though I knew what to look for), after that it flowed very smoothly, a digit at a time. Thanks a lot!
on 17. April 2026, 23:37 by Ambrose
Really excellent, such a satisfying solve!
