❔ Only one testcase failed

public class DecodeString
{
    public string StringDecode(string s)
    {
        var stkChar = new Stack<char>();
        var stkDigit = new Stack<int>();
        int count = 0;
        string recorded = "";
        string currStr = "";

        for (int i = 0; i < s.Length; i++)
        {
            if (Char.IsDigit(s[i]))
            {
                
                count = count * 10 + s[i] - '0';
                Console.WriteLine($"it is a digit, report me {count}");
            } else if (s[i] == '[')
            {
                stkChar.Push(s[i]); 
                stkDigit.Push(count); 
                count = 0;
                Console.WriteLine("please keep me " + currStr);
                recorded = currStr;
                currStr = "";
                Console.WriteLine($"currStr after opening bracket {currStr}");
            } else if (s[i] == ']')
            {
                
                int poppedCount = stkDigit.Pop();
                //char poppedChar = stkChar.Pop(); 
                string decoded = currStr;
                for (int j = 1; j < poppedCount; j++)
                {
                    decoded += currStr;
                }
                Console.WriteLine($"what is decoded {decoded}");
                currStr = decoded; // Update currStr
                Console.WriteLine($"currStr after closing bracket {currStr}");
                
                
            }
            else
            {
                currStr += s[i];
               
            }
        }

        
        return recorded + currStr;

    }
}