#include <stdio.h>

void print(int *arr, int N) {
  for (int i = 0; i < N; i++) {
    printf("%d,", arr[i]);
  }
  printf("\n");
}

void insertionSort(int *arr, int N) {
  int key;
  int j;
  // i starts at 1.
  for (int i = 1; i < N; i++) {
    key = arr[i];
    j = i;

    while (j > 0 && arr[j - 1] > key) {
      arr[j] = arr[j - 1];
      j--;
    }

    arr[j] = key;
    print(arr, N);
  }
}

int main(void) {
  int N;

  scanf("%d", &N);
  int arr[N];

  for (int i = 0; i < N; i++) {
    scanf("%d,", &arr[i]);
  }

  insertionSort(arr, N);

  return 0;
}