Kipping, Cyril Stanley
Pickering, S
The Problemist, 1940
#2
12 + 7
There are these versions: 210157
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).