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textBox3.Text = ri1;
using System;
public class JoinTest {
public static void Main() {
Console.WriteLine(MakeLine(0, 5, ", "));
Console.WriteLine(MakeLine(1, 6, " "));
Console.WriteLine(MakeLine(9, 9, ": "));
Console.WriteLine(MakeLine(4, 7, "< "));
}
private static string MakeLine(int initVal, int multVal, string sep) {
string [] sArr = new string [10];
for (int i = initVal; i < initVal + 10; i++)
sArr[i - initVal] = String.Format("{0,-3}", i * multVal);
return String.Join(sep, sArr);
}
}