Slow Thermo
Digits never decrease from the bulb to the tip. Equal neighbours are allowed.
Parameters
| Parameter | Meaning | Default |
|---|---|---|
| line | The cells in order, for example r1c1-r1c2-r1c3. | Required. |
Maths
Class: first-order.
The shared predicates define the notation and every named predicate.
∀i ∈ [0,|line|−1): D(line[i]) ≤ D(line[i+1])
Digits never decrease along the path from its bulb.
Example
---
format: open-rules
title: Slow Thermo example
setter: Example
source: ""
case: ""
library: https://rules.sudoku-sleuth.com/
status: read
---
```rules
sudoku 9x9
slow-thermo r1c1-r1c2
```
Satisfies the rule: r1c1=2, r1c2=2. Equal neighbours do not decrease.
Breaks the rule: r1c1=2, r1c2=1. The second digit is smaller than the bulb.