12 Days of Christmas
852
Arrows
519
Christmas Trees
689
Collatz
832
Evil Numbers
817
Evil Numbers (Long)
797
Fibonacci
628
723
Fractions
482
Happy Numbers
711
Leap Years
813
Odious Numbers
549
849
Odious Numbers (Long)
827
Pangram Grep
677
Pernicious Numbers
763
Prime Numbers
407
Quine
849
946
Reverse Polish Notation
766
Roman to Arabic
468
716
Time Distance
833