using System;
using System.Collections.Generic;
public class Test
{
	public static void Main()
	{
String[] arrayString = new string[]{"","","","",""};
List<string[]> splitted = new List<string[]>();//This list will contain all the splitted arrays.
int lengthToSplit = 3;
 
int arrayLength = arrayString.Length;
 
for (int i = 0; i < arrayLength; i = i + lengthToSplit)
{
  string[] val = new string[lengthToSplit];
 
  if (arrayLength < i + lengthToSplit)
     {
        lengthToSplit = arrayLength - i;
     }
  Array.Copy(arrayString, i, val, 0, lengthToSplit);
  splitted.Add(val);
}
	}
}

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