Maintenance in progress
Dear visitors, I am performing some site maintenance at the moment. You may experience some problems accessing the site. It shouldn’t take long. Thank you for your patience!
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The site was down for less than half an hour. Everything should appear as before. A new version of Wordpress has been installed.
If you encounter any problems navigating the site, please let me know!
Thanks and sorry for the inconvenience! 
Killer Sudoku fans
