Java (Loops) Print decremental sequences of numbers

Complete the following code to print n decremental sequences of numbers. n is an integer greater or equal than 1 entered by the user through his/her keyboard. Each of the i-th sequences must start in i and end in 1 (i.e. print sequence in a decremental way) and each of them need to be printed in a new line. E.g. Input: Enter a positive integer: 3 Output: 1 21 321

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import java.util.Scanner;

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public class Lab4 {

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 public static void main(String args[]) {

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 // Create a scanner to read from keyboard

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 Scanner kbd = new Scanner (System.in);

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 System.out.print("Enter a positive integer: ");

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 int n = kbd.nextInt();

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 //YOU MUST NOT WRITE ANY CODE ABOVE THIS LINE

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 // TODO: Write your code here

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 //YOU MUST NOT WRITE ANY CODE BELOW THIS LINE

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 }

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}