12 Days of Christmas
9th
9th
10th
22nd
13th
8th
4th
128th
45th
88th
6th
5th
3rd
30th
29th
13th
12th
12th
19th
11th
10th
24 Game
2nd
3rd
3rd
3rd
5th
6th
3rd
13th
9th
8th
4th
2nd
2nd
15th
4th
6th
3rd
3rd
2nd
4th
3rd
99 Bottles of Beer
6th
7th
8th
11th
13th
6th
9th
64th
45th
32nd
6th
3rd
5th
27th
16th
11th
12th
7th
11th
10th
9th
Abundant Numbers
12th
9th
15th
14th
13th
6th
9th
42nd
35th
28th
10th
2nd
4th
23rd
15th
24th
14th
14th
17th
11th
17th
Abundant Numbers (Long)
7th
6th
14th
11th
13th
5th
6th
27th
26th
26th
9th
1st
4th
24th
11th
20th
15th
10th
Arabic to Roman
Arithmetic Numbers
8th
6th
8th
8th
6th
5th
3rd
25th
21st
15th
11th
2nd
4th
27th
7th
11th
9th
11th
Arrows
Ascending Primes
6th
5th
9th
5th
5th
8th
6th
32nd
18th
22nd
9th
5th
2nd
15th
6th
9th
9th
ASCII Table
7th
10th
10th
14th
6th
12th
13th
45th
34th
23rd
6th
4th
10th
26th
8th
12th
8th
9th
9th
6th
10th
7th
8th
25th
15th
17th
6th
12th
6th
16th
54th
9th
10th
15th
8th
9th
11th
9th
6th
15th
26th
29th
13th
112th
12th
12th
5th
44th
32nd
4th
10th
5th
6th
Billiards
brainfuck
Card Number Validation
Catalan Numbers
18th
5th
3rd
6th
5th
3rd
8th
18th
31st
18th
14th
9th
3rd
41st
14th
18th
Catalan’s Constant
4th
3rd
3rd
7th
3rd
4th
7th
9th
17th
8th
7th
3rd
6th
21st
6th
8th
8th
6th
5th
6th
8th
3rd
5th
4th
6th
10th
4th
Christmas Trees
9th
6th
10th
9th
5th
7th
34th
20th
44th
15th
8th
4th
Collatz
15th
10th
20th
13th
9th
16th
7th
52nd
3rd
27th
13th
5th
7th
23rd
13th
15th
14th
12th
CSS Colors
Cubes
4th
4th
4th
7th
9th
7th
9th
34th
38th
15th
6th
2nd
Day of Week
DFA Simulator
Diamonds
8th
5th
11th
9th
8th
9th
15th
65th
54th
33rd
7th
2nd
7th
33rd
8th
36th
8th
12th
5th
5th
8th
Divisors
16th
7th
19th
33rd
14th
7th
18th
42nd
69th
27th
12th
7th
5th
29th
18th
26th
16th
1st
13th
1st
13th
11th
19th
31st
25th
Emirp Numbers
9th
6th
11th
13th
7th
8th
6th
22nd
24th
12th
11th
4th
1st
27th
6th
14th
14th
11th
9th
9th
19th
Emirp Numbers (Long)
5th
5th
9th
8th
8th
7th
5th
41st
31st
28th
6th
3rd
5th
18th
8th
12th
9th
11th
7th
5th
14th
Emojify
Evil Numbers
7th
16th
12th
18th
12th
13th
8th
57th
32nd
36th
17th
1st
1st
31st
20th
21st
16th
16th
12th
15th
17th
10th
20th
45th
32nd
57th
8th
50th
11th
23rd
69th
11th
27th
43rd
13th
23rd
17th
11th
12th
53rd
24th
57th
16th
108th
13th
61st
7th
61st
18th
10th
1st
8th
17th
15th
5th
13th
9th
15th
Evil Numbers (Long)
9th
10th
16th
13th
11th
12th
3rd
58th
44th
29th
15th
1st
6th
29th
17th
17th
14th
17th
10th
10th
17th
8th
11th
26th
30th
29th
3rd
33rd
11th
17th
103rd
9th
20th
38th
11th
16th
10th
11th
6th
24th
33rd
35th
15th
33rd
12th
21st
6th
34th
15th
13th
8th
7th
12th
13th
5th
9th
7th
12th
Factorial Factorisation
5th
4th
7th
5th
5th
6th
4th
31st
14th
16th
8th
5th
💎
20th
4th
9th
7th
7th
3rd
3rd
10th
Farey Sequence
4th
3rd
12th
7th
8th
13th
5th
34th
17th
24th
12th
6th
4th
27th
10th
9th
11th
11th
6th
5th
5th
Fibonacci
75th
28th
39th
7th
3rd
27th
14th
111th
84th
75th
25th
10th
11th
41st
67th
36th
32nd
26th
28th
25th
25th
Fizz Buzz
70th
30th
33rd
100th
11th
19th
45th
30th
139th
69th
14th
4th
10th
23rd
64th
43rd
43rd
15th
27th
48th
26th
34th
37th
105th
62nd
Foo Fizz Buzz Bar
10th
10th
18th
27th
7th
7th
4th
42nd
48th
30th
10th
3rd
7th
25th
10th
17th
17th
11th
9th
9th
14th
Forsyth–Edwards Notation
5th
Fractions
Game of Life
Gijswijt’s Sequence
6th
3rd
5th
7th
4th
8th
2nd
16th
12th
14th
6th
3rd
💎
24th
5th
6th
8th
8th
4th
3rd
5th