/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int[] values = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24};
 
		for(int x = 0; x < values.length; x++) {
			if(x % 6 == 0 && x > 0) {
				System.out.println();
			}
			System.out.print(values[x]);
		}
	}
}

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