Rules: Put a digit from 1 to 9 into each cell such that no digit repeats in any row, column or box.
Doublers: There are four doublers in the grid, containing four different digits. They are all in different rows, columns and boxes. The value of a doubler cell counts as twice its digit for the following rules:
Renban: Purple lines consist of a set of consecutive, non-repeating values in any order.
XV: Values on an X sum to 10. Values on a V sum to 5.
Links:
SudokuPad: https://tinyurl.com/mt798eyz
Solution code: Row 6, Column 6 (12 digits)
on 10. October 2024, 15:07 by Oddlyeven
Updated tags with the new Quattroquadri tag
on 9. August 2023, 18:12 by Syzygy
Brilliant use of doublers, great puzzle, thank you so much for setting!
on 9. August 2023, 16:31 by ordnanceordinance
solution check isnt working in sudokupad, but entering on this site will confirm for you :)
on 9. August 2023, 16:12 by Syzygy
Brilliant use of doublers, great puzzle, thank you so much for setting!
on 8. August 2023, 22:33 by thoughtbyte
Very cool 6x6 idea! Worked really well with doublers. Thanks!
on 8. August 2023, 01:36 by dumediat
Lovely puzzle with some really fun interactions. Thank you for sharing!