I've had 4 proven so far.
This is fun
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rank description digits who year
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3168 1503380415*2^333333-1 100353 L224 2007
3209 1030912179*2^333333-1 100353 L224 2007
3245 603229959*2^333333-1 100353 L224 2007
3265 455071815*2^333333-1 100352 L224 2007
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