using System;
using System.Text;
 
public class Test
{
	public static void Main()
	{
		string s="*****\n***\n****";
        StringBuilder sb = new StringBuilder();
        string subj = "asd";
        int counter = 0;
        for (int i = 0; i < s.Length; i++) {
            if (s[i] == '*') {
                sb.Append(subj[counter % subj.Length]);                        
                counter++;
                continue;
            }
            sb.Append(s[i]);
        }
        Console.WriteLine(sb.ToString());
	}
}

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