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Sep 22, 2017 at 17:15 comment added Solveit This raises the question of how a novice can pick out the better problems.
Aug 21, 2017 at 7:37 vote accept Heptapod
Aug 21, 2017 at 7:37
Aug 21, 2017 at 1:38 history answered aquirdturtle CC BY-SA 3.0