Rules: Place the numbers from 1 to 7 in each row and column. Numbers in a circle indicate the sum of the digits along the arrow connected to the circle. (If there are multiple arrows, each arrow has to sum to the total in the circle.) Numbers can repeat on arrows.
Theme: 2019
Solution code: Row 5, Row 7
on 23. March 2020, 11:47 by marcmees
Many thanks to all puzzle authors to keep us occupied during this period of lock down.
on 23. March 2020, 11:13 by JonaS2010
english solution code fixed
on 23. March 2020, 11:07 by Puzzle_Maestro
Nice puzzle!
There is an error in the English solution code instruction: it says row 9 instead of row 7.