Normal Sudoku rules apply, place the digits 1-9 in each row, column, and box.
Killer: Digits in cages must sum to the number in the top left corner of the cage. Digits may not repeat within a cage.
Region Sum Line: Box borders split blue lines into sections, and the digits on those sections must sum to the same value.
This is a sequel to the puzzles:
Tight Fit,
Another Tight Fit, and
Tight Fit 3
If you like this puzzle you may enjoy some of my other puzzles too, click HERE to see the other puzzles I have made.
Solution code: Row 9