Rubik’s Cube solution unlocked by memorising 3915 final move sequences


For the primary time, a speedcuber has demonstrated an answer to the Rubik’s dice that mixes the 2 last steps of the puzzle’s resolution into one


19 August 2022

A speedcuber has mixed two generally used last strikes into one to unravel a Rubik’s dice


A Rubik’s dice solver has grow to be the primary particular person to point out proof of efficiently combining the ultimate two steps of fixing the mechanical puzzle into one transfer. The feat required the memorisation of hundreds of attainable sequences for the ultimate step.

Most expert speedcubers – individuals who compete to solve Rubik’s cubes with probably the most velocity and effectivity – select to unravel the ultimate layer of the dice with two separate strikes that contain 57 attainable sequences for the penultimate step and 21 attainable sequences for the ultimate transfer.

Combining these two separate actions right into a single transfer requires an individual to memorise 3915 attainable sequences. These sequences have been beforehand recognized to be attainable, however no one is reported to have efficiently achieved this so-called “Full 1 Look Final Layer” (Full 1LLL) transfer till a speedcuber going by the net username “edmarter” shared a YouTube video demonstrating that accomplishment.

Edmarter says he determined to take up the problem after seeing notable speedcubers attempt to fail. Over the course of a few yr, he spent 10 hours every weekend and any free time in the course of the week practising and memorising the mandatory sequences, he instructed New Scientist. That always concerned memorising 144 motion sequences in a single day.

All that effort paid off on 4 August 2022 when edmarter uploaded a video demonstrating the Full 1LLL over the course of 100 separate puzzle solves. He additionally posted his accomplishment to Reddit’s r/Cubers community.

His common resolve time for every Rubik’s dice over the course of that video demonstration run was 14.79 seconds. He says he had a median resolve time as little as 12.50 seconds throughout two follow runs earlier than recording the video.

The Rubik’s dice neighborhood has reacted with overwhelming enthusiasm and awe. The highest-voted comment on his Reddit submit detailing the achievement merely reads: “That is completely insane.”

However he’s not resting on his laurels. Subsequent up, he plans to strive practising another strategies for ending the Rubik’s dice which have solely beforehand been mastered by a handful of individuals.

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