#2091's Gems
| # | Total Rank | Daily Rank | Name | Summary |
|---|---|---|---|---|
| 1 | 20,044 | 17,154 | check_digit | Ruby implementation of Luhn, Damm and Verhoeff check digit algorithms |
| # | Total Rank | Daily Rank | Name | Summary |
|---|---|---|---|---|
| 1 | 20,044 | 17,154 | check_digit | Ruby implementation of Luhn, Damm and Verhoeff check digit algorithms |
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