static void Main(string[] args)
{
var clues = new[] { 0, 0, 1, 2,
0, 2, 0, 0,
0, 3, 0, 0,
0, 1, 0, 0 };
int[][] solution = Skyscrapers.SolvePuzzle(clues);
Printing.Print2DArray(solution);
}