-
Normal Sudoku rules apply: Each row, column and 3x3 box contains the digits 1 to 9.
-
Killer Sudoku rules apply: in cages, digits sum to the small clue in the top left corner of the cage. Digits do not repeat within a cage.
-
Arrow rule applies: Numbers along an arrow must sum to the number shown in the circled cell.
Note: The exact path of some arrows is ambiguous and must be deduced.
Solve online:
CTC link
Sudokulab link
F-puzzles link (some arrows are hard to discern here)