Replace the letters by digits 0-9. Same letters mean same digits, different letters mean different digits.
Then fill in black fields and digits 1-6 into the diagram. No digit may repeat in one row or column.
The numbers outside the grid give the sum of connected digits in correct order.
Solution code: Rows 3 and 7, S for blackened fields.
on 20. February 2024, 19:10 by Agent
Great break-in!
on 24. May 2023, 14:47 by chrisbee2
Hach, war das schön!
on 10. January 2014, 15:20 by pin7guin
Klasse! - Und wie immer wunderbar logisch aufgebaut.
on 1. January 2014, 12:50 by Statistica
Klasse Rätsel. Super Einstieg!