Holdouts lists
A holdout (or undediced machine) is a Turing machine for which it is not known whether the machine halts or not from all-0 input tape.
Holdout lists are often shared by contributors:
| BB space | Date | Credits | Number of holdouts | File |
|---|---|---|---|---|
| BB(6) | June 7th 2024 | @mxdys | 12,325 | File:BB6 holdouts 12325.txt |