Which doors are open?
Extract leading non-zero digit
Count from 0 to N^M in base N.
Numbers with prime factors 2, 3 and 5.
Identify Reachable Points
GJam 2014 China Rd A: Read Phone Number (Large)
GJam 2014 China Rd B: Dragon Maze
Chezz_000 : Simplified chess
GJam 2016 Rd1A: Rank and File (small)
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