Christmas Trees
48th
107th
Collatz
155th
Day of Week
219th
Diamonds
30th
88th
Evil Numbers
145th
Fibonacci
35th
Fizz Buzz
448th
68th
Fractions
199th
Levenshtein Distance
225th
Niven Numbers
43rd
224th
Pangram Grep
247th
Quine
83rd
ROT13
18th
68th
Set
4th
20th
3rd40th
Tongue-twisters
139th
Topological Sort
70th
π
15th
132nd