crwdns2935425:03crwdne2935425:0
crwdns2931653:03crwdne2931653:0
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Leave the opening picks once you managed to open one side.
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Use heat on the next edge to open it.
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Repeat steps 2 and 3 for all four edges.
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0