Tap a square, then use the keypad. In Notes mode, keypad digits add or remove candidates.
Hints used0
Checks0
Conflicts0
Time (this puzzle)00:00
Rule clarity: Each outside clue gives the sum of the digits between 1 and 9 in that row or column.
Useful shortcut: A clue of 0 means 1 and 9 must be adjacent in that row or column.