12 Days of Christmas
83rd
99 Bottles of Beer
81st
Abundant Numbers
383rd
Arabic to Roman
270th
Arithmetic Numbers
214th
Ascending Primes
200th
Billiards
71st
Christmas Trees
692nd
Diamonds
40th
Emirp Numbers
143rd
Emirp Numbers (Long)
33rd
Evil Numbers
1st
Evil Numbers (Long)
33rd
Fizz Buzz
38th
Leap Years
452nd
Look and Say
324th
Medal Tally
41st
Poker
32nd
Prime Numbers
454th
Roman to Arabic
313th
ROT13
46th
Sudoku (Fill-in)
105th
Tic-tac-toe
50th
Time Distance
35th
Vampire Numbers
44th