This problem requires more test cases. My solution as many others would fail for a case in which the searched substring is not ordered.
Find the two-word state names
Project Euler: Problem 9, Pythagorean numbers
Oh Zero Zero Zero!!!
Is this triangle right-angled?
Alternately upper-lower case
FIFA World Cup 2014 : Offside
self description 2.0
Determine connected components of a graph
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