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These nodes all have stuff by mr_clean (showing 1-2 out of ~2?):
| Node ID | Writeup | Created |
| 11106116 | Re^2: Extacting lines where one column matches a name from a list of names | 2019-09-13 03:50 |
| 11106109 | Extacting lines where one column matches a name from a list of names | 2019-09-13 01:07 |