Little Killer
Digits along the listed ray add up to the clue. Repeats are allowed by this rule.
Parameters
| Parameter | Meaning | Default |
|---|---|---|
| cells | The marked cells, for example r1c1-r1c2-r2c2. | Required. |
| sum | The total the digits or values must add up to. | Required. |
Maths
Class: with aggregates.
The shared predicates define the notation and every named predicate.
sum_D(cells)=sum
The digits along the supplied ray sum to sum. No distinctness is added.
Example
---
format: open-rules
title: Little Killer example
setter: Example
source: ""
case: ""
library: https://rules.sudoku-sleuth.com/
status: read
---
```rules
sudoku 9x9
little-killer r1c1-r1c2 sum 3
```
Satisfies the rule: r1c1=1, r1c2=2. The ray digits 1 and 2 total 3.
Breaks the rule: r1c1=1, r1c2=3. The ray digits 1 and 3 total 4 instead of 3.