![THE TICKLIST: How hard are Aidan Roberts' New Problems?](https://i.ytimg.com/vi/dIrzSLhxWio/mqdefault.jpg)
How hard are Aidan Roberts' New Problems? The Ticklist
Aidan has repeated hard problems around the world and added a few of his own - Isles of Wonder Sit Start 8C+, Superpower 8C/+, Railway 8C in Rock Mountain National Park and Outliers 8C at Trowbarrow.
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