Diot, Roger
Scotti, Louis
Probleemblad, 1956
#2
14 + 8
133 | The Problemist Supplement | 2018 |
3713 | Snap | 2020 |
This anticipates 214819(2020)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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