Created problem solving text document.
Added a solution to the first problem.
Added another solution to the first problem.
Added another solution to the first problem.
Added an empty solution (not really a solution).
Started working on second problem.
Added second problem to the document.
Added a possible solution to the second problem.
Added a possible solution to the second problem.
Added a possible solution to the second problem.
Added third problem to the text file.
Added a solution to the third problem.
Added a solution to the third problem.