Puzzles in which Instituto Gauss Jordan is first on the podium in the ranking based on time

Also check the puzzles where Instituto Gauss Jordan is in a specific place in the ranking based on time:

International Puzzle Day online puzzle
12International Puzzle Daysolved 4 times
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El IGJ en el Día Mundial del Rompecabezas jigsaw puzzle online
12El IGJ en el Día Mundial del Rompecabezassolved 2 times
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