public void Test01()
{
var grid = new[, ]
{
{ 1, 2, 3 },
{ 4, 5, 6 },
{ 7, 8, 9 }
};
var instance = new SpiralMatrix();
var res = instance.PrintSpiral(grid);
// Assert.AreEqual(new []{ 1, 2, 3, 6, 9, 8, 7, 4, 5 }, res);
grid = new[, ]
{
{ 1, 2, 3 },
{ 4, 5, 6 }
};
res = instance.PrintSpiral(grid);
Assert.AreEqual(new[] { 1, 2, 3, 6, 5, 4 }, res);
}