public void Solve(string fileText)
{
var lines = new Queue <string>(fileText.SplitIntoLines());
var startStateName = CaptureSubstringWithPattern(lines.Dequeue(), "Begin in state (\\w+).");
var numberOfIterations = CaptureIntWithPattern(lines.Dequeue(), "after (\\d+) steps");
var transitions = ParseTransitions(lines);
var turingMachine = new TuringMachine(startStateName, transitions);
turingMachine.RunForIterations(numberOfIterations);
var answer = turingMachine.GetChecksum();
Output.Answer(answer);
}
