Crypto 2022-02-09 Learning Without Errors (396 pts, 6 solves, upsolve) 2022-01-02 Algebra (831 pts, 14 solves) 2022-01-02 Shares V1 (216 pts, 29 solves) / V2 (804 pts, 15 solves) 2021-12-12 pppp (117 pts, 70 solves)