Solution code: Row 1 (left to right), Column 1 (top to bottom) - 18 digits, no spaces
on 19. February 2023, 17:48 by dennischen
Very nice, and quite hard too!
on 25. September 2022, 03:23 by Silverstep
Smooth solve, elegant setting. My favourite one in the series.
on 26. July 2022, 07:52 by Richard
A very nice themed puzzle with lots of things to discover, but absolutely harder than two stars!
Thanks for this calculation excercise!
on 5. July 2022, 23:47 by SimplePurpleFrog
A lovely, flowing, approachable, yet nicely challenging sudoku.
on 9. June 2022, 20:04 by 99jau99
from now on I am also in love with fifteen.
on 1. June 2022, 00:33 by Blobz
Lovely puzzle design - some great logic to discover.