Reverse Helmdon Doubles
- Classification
- Doubles
- Place Notation
- 1.125.3.125.3.125.3,123.5.123.5.123.5
- Lead Head
- 23514 (Code: 23z)
- Symmetry
- Palindromic
- Hunt Bells
- None
- Lengths
- 24 rows per lead
120 rows per course (5 leads) - Download as image
- Numbers
Grid - Data Source and Copyright
- Details on the about page.
