Reverse Run-Length Encoder
Distance walked 1D
Project Euler: Problem 3, Largest prime factor
Determine if input is a Narcissistic number
Lights Out 4 - 5x5, 8 moves
Lights Out 8 - 5x5, light-only solution? I
Divisible by n, prime vs. composite divisors
Combined Ages 3 - Non-symmetric, n ≥ 3
Equation Times (of the day)
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