Marcin Kowalczyk
Marcin Kowalczyk is a Polish speedcuber. He set the official world record for both the single (21.17 seconds) and average (25.45 seconds) for the Rubik's Cube blindfolded.
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Marcin Kowalczyk
Marcin Kowalczyk is a Polish speedcuber. He set the official world record for both the single (21.17 seconds) and average (25.45 seconds) for the Rubik's Cube blindfolded.