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The 2017 SpaceChem Tournament was announced on May 22, 2017 by Steam user gggol. There are ten...
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|current||20:53, June 9, 2017||1,920 × 1,201 (182 KB)||ZeroOne||2017 SpaceChem Tournament puzzle #2, Seven or Eight, [https://www.reddit.com/r/researchnet/comments/6g9sn3/2017_spacechem_tournament_puzzle_2_sevenoreight/ as published by user gggo1 on Reddit].|