1# Sudoku RGB23Sudoku RGB is a 9x9 multiset-constraint puzzle inspired by Ripeto.45## How to Play67Fill every cell with one of three values:89- `1` = `▲`10- `2` = `■`11- `3` = `●`1213The goal is for every row, every column, and every 3x3 box to contain the14same multiset:1516`{1,1,1,2,2,2,3,3,3}`1718Unlike classic Sudoku, repeated values are allowed within a house up to their19quota of three. A conflict appears only when a house contains **more than**20three copies of a value.2122## Controls2324| Key | Action |25|-----|--------|26| Arrow keys / WASD / hjkl | Move cursor |27| Mouse left-click | Focus a cell |28| `1` / `2` / `3` | Place `▲` / `■` / `●` |29| `Backspace` | Clear cell |30| `Ctrl+R` | Reset puzzle |31| `Ctrl+H` | Toggle full help |32| `Escape` | Return to main menu |3334## Modes3536| Mode | Clues | Description |37|------|-------|-------------|38| Beginner | 60 | Gentle intro to RGB quota logic |39| Easy | 54 | Early rows and boxes resolve quickly |40| Medium | 48 | Mixed row, column, and box pressure |41| Hard | 42 | More ambiguous houses and cross-checking |42| Expert | 36 | Sparse givens require deeper scanning |43| Diabolical | 30 | Tightest clue budget in the launch set |4445## Quick Start4647```bash48puzzletea new "sudoku rgb" beginner49puzzletea new ripeto medium50puzzletea new "rgb sudoku" diabolical51```