12 Days of Christmas
892
Arrows
538
Christmas Trees
705
Collatz
919
Evil Numbers
833
Evil Numbers (Long)
820
Fibonacci
654
735
Fractions
497
Happy Numbers
729
Leap Years
827
Odious Numbers
585
870
Odious Numbers (Long)
854
Pangram Grep
699
Pernicious Numbers
784
Prime Numbers
430
Quine
901
969
Reverse Polish Notation
820
Roman to Arabic
506
742
Time Distance
886