import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);
		int N = scn.nextInt();
		int[] data = new int[N];
		for (int i = 0; i < N; i++) {
			data[i] = scn.nextInt();
		}
		show(data);
		for (int j = 1; j < N; j++) {
			int v = data[j];
			int w = j - 1;
			while (w >= 0 && data[w] > v) {
				data[w + 1] = data[w];
				w--;
			}
			data[w + 1] = v;
			show(data);
		}

	}

	static void show(int[] pdata) {
		StringBuffer stb = new StringBuffer();
		stb.append(pdata[0]);
		for (int a = 1; a < pdata.length; a++) {
			stb.append(" " + pdata[a]);
		}
		System.out.println(stb.toString());
	}
}


/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz