Re-Joyce: Riddle solved
As the country celebrates Bloomsday today, Rory McCann, 27, revealed how he has settled decades of debate about the puzzle in Joyce’s masterpiece Ulysses with a simple equation proving it can, indeed, be done.
Using online maps, the Dubliner worked out a computer equation that found how to criss-cross the capital, from north to south and east to west, away from the temptation of any pub.
“The puzzle was just one of those things I was aware of, like most people in Dublin,” he said.
“I started thinking about how you would go about it, the pen and paper route which many people have tried, and which gets very tiring very fast, then I decided to try it on the computer.”
The University College Dublin computer science graduate started by plotting out 30 points on either side of the city — 15 along the northside’s Royal Canal and 15 along the southside’s Grand Canal. The waterways were traditionally regarded as the city limits around Joyce’s time.
Mr McCann, from Shankill but now living in Smithfield, then developed his algorithm to try and find a path between a point on the northside to a point on the southside while avoiding pubs marked on the online map website OpenStreetMap.
When he put the riddle-busting route on his website — www.kindle-maps.com — yesterday a number of people got in contact immediately pointing out pubs that weren’t included on the map.
He has corrected it a few times since but is confident he now has the conundrum conquered.
Mr McCann began trying to crack the teaser last year but when he couldn’t get it finished for Bloomsday — the annual commemoration of Joyce — he put it on the backburner until this year’s event. He reckons he has spent weeks working on it over the past 12 months.
Ironically, one of the key sections of his route is along the length of the Guinness brewery St James’s Gate — but he points out it doesn’t pass the tourist pubs inside.
He readily accepts doubts will remain and arguments will continue to rage, as the brain-twister that has baffled brains since the publication of Ulysses in 1922.
Particularly likely to come under attack from pedantic Joyce fans is his decision to ignore hotels and restaurants that serve drinks and may even have their own bar inside.
“It is a contentious issue,” he says.
“But they are not pubs.
“If anyone finds any pubs that are not there they can add them to the street map and we can see if we can continue to get around Dublin without passing a pub — or maybe there will be a deal-breaker, and we may find it is impossible.
“But I think it is looking good.”
Others have long since claimed the answer was simple: You can cross Dublin without passing any pub by simply going into them.
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