Card Number Validation in Crystal in Bytes Play Hole
1st in Crystal and 36th overall.
Last tested .
| Bytes | Chars | Submitted |
|---|---|---|
| 63 | 63 | |
| 64 | 64 | |
| 67 | 67 | |
| 68 | 68 | |
| 70 | 70 | |
| 71 | 71 | |
| 74 | 74 |
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76,498
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🥉57