New strategy
New strategy working better
All tests passing, but not happy with the solution
A bit of refactoring
A bit more refactoring
Further refactoring... still not too happy
Refactoring and removing extra case statement
Fetched new probem, Sieve
Tests passing but not using sieve of eratosthenes
Removing range
Tests passing for sieve of eratosthenes
Refactoring
Fetched new problem Binary
Made class for Binary