Sudoku: Each digit, 1-9, appears exactly once in each row, column, and 3x3 region.
Renban: Each pink line contains a set of consecutive, non-repeating digits, in any order.
Sandwich: digits outside the grid indicate the sum of all the digits sandwiched between the 1 and 9 in the row or column.
Lösungscode: The diagonal, 7-cell renban, from bottom left to top right.
am 21. März 2026, 21:58 Uhr von Exigus
Took me quite some time but it was really cool. Loved the symmetry. Thanks!
am 19. März 2026, 07:55 Uhr von zeniko
That‘s some beautiful geometry with far reaching interactions. Thanks for sharing.
am 18. März 2026, 17:03 Uhr von ul-Rhymm
Fixed typo in rules.