Board Size
Tile Palette
Auto Layout
Enter permutation as space-separated values (e.g., "3 1 4 2")
BPD ↔ coBPD Transform
Transform between BPD and coBPD representations
State Management
Board
Validation
Click "Validate BPD" to check the current configuration.
Droop Moves
Droops rotate an L-shaped pipe rectangle toward the bottom-right boundary while preserving the permutation.
Droop detection runs automatically after board edits.
TikZ Export
Monomial Weights
Click "Compute Weights" to calculate monomial weights.