4 ms·
Google (Books) yields this: https://books.google.de/books?id=6fJdDwAAQBAJ&pg=PA11&lpg=PA11&dq=00+47+18+76+29+93+85+34+61+52&source=bl&ots=kMYq7enGu0&sig=ACfU3U1
by Item_Boring 5y ago
Google (Books) yields this: https://books.google.de/books?id=6fJdDwAAQBAJ&pg=PA11&lpg=PA11&dq=00+47+18+76+29+93+85+34+61+52&source=bl&ots=kMYq7enGu0&sig=ACfU3U135G1Y0IN5uask4patgUoMXQUkEQ&hl=en&sa=X&ved=2ahUKEwjl6LGV3rX0AhXD_rsIHQdCByUQ6AF6BAgPEAM#v=onepage&q=00%2047%2018%2076%2029%2093%2085%2034%2061%2052&f=false https://books.google.de/books?id=6fJdDwAAQBAJ&pg=PA11&lpg=PA...
An Eulerian Square of order 10.