Jonsson, Nils Gustav Helmer
The Problemist, 1982
#2
11 + 11
| 3713 | Snap | 2026 |
This anticipates 284433(1995)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).