/* 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 linha, space, coluna;
 
		for(linha = 10;linha > 0; linha--){
 
			for(space = 10; space > linha; space--){
				System.out.print("  ");
			}
 
			for(coluna = 0; coluna < linha; coluna++){
				System.out.print(coluna+" ");
			}
			System.out.println();
		}
 
	}
}

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