public void Puzzle1_FindHighestPower3x3()
{
var grid = new PowerGrid(Input.Day11);
var(x, y, _) = grid.FindHighestPower3x3();
(x, y).Should().Be((235, 38));
// var sums = grid.GetSumTable();
// File.WriteAllText(@"C:\projects\adventofcode\2018\sumtable.txt", sums);
// var sums = grid.GetPowers();
// File.WriteAllText(@"C:\projects\adventofcode\2018\power.txt", sums);
}