Kuligin, Nikolai Volodimirovich
The Problemist Supplement, 1993
#2
6 + 4
5454 | Near Snap | 2020 |
Anticipated by 90068(1963), 203833(1979)
This anticipates 275991(1993), 110381(1997-1999), 61234(2005)
This is a version of 225571
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).