def main(): # 读取输入 n = int(input()) # 读取一维数组 numbers = list(map(int, input().split())) # 将一维数组转换为二维数组并输出 for i in range(n): # 输出每一行 row = [] for j in range(n): row.append(str(numbers[i * n + j])) print(' '.join(row)) if __name__ == "__main__": main()