advent2021/data.8, branch master Advent of Code 2021 https://ai.quorra.org.uk/cgit.cgi/advent2021/atom?h=master 2021-12-09T23:08:40Z Added day 9 2021-12-09T23:08:40Z Ian C ianc@noddybox.co.uk 2021-12-09T23:08:40Z urn:sha1:1dfae1e03aee84b73d0114dfa16d827373ea6ce7