private static void TrimToClass(List<string> answerLines)
{
var classDeclarationIndex = answerLines.FindIndex(x => x.Contains("public class Answer"));
answerLines.RemoveRange(0, classDeclarationIndex + 2);
var namespaceEndBracketIndex = answerLines.FindLastIndex(x => x.Contains("}"));
var classEndBracketIndex = answerLines.FindLastIndex(namespaceEndBracketIndex - 1, x => x.Contains("}"));
answerLines.RemoveRange(classEndBracketIndex, answerLines.Count - classEndBracketIndex);
for (var lineIndex = 0; lineIndex < answerLines.Count; lineIndex++)
{
if (answerLines[lineIndex].Length >= 8)
answerLines[lineIndex] = answerLines[lineIndex].Substring(8);
answerLines[lineIndex] = answerLines[lineIndex].Replace("Answer1", "Answer").Replace("Answer2", "Answer").Replace("Answer3", "Answer");
}
}