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by kshep
4579 days ago
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You can also go pseudo-base-5, which will get you 99 and it's relatively easy to know where you are: right hand fingers are 1s, right hand thumb is 5, left hand fingers are 10s, left hand thumb is 50. Edit: Someone in another comment points out this is just Chisanbop: http://en.wikipedia.org/wiki/Chisanbop |
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