Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int m = sc.nextInt();

        int[][] arr = new int[n][m];
        for(int i = 0; i < n; i++) {
            for(int j = 0; j < m; j++) {
                arr[i][j] = sc.nextInt();
            }
        }

        int startRow = 0, endRow = n - 1;
        int startColumn = 0, endColumn = m - 1;


        int count = 0;

        while(count < m * n) {
            // top row
            for(int i = startColumn; i <= endColumn; i++) {
                System.out.print(arr[startRow][i] + " ");
                count++;
            }

            startRow++;
            // printing last column
            for(int i = startRow; i <= endRow; i++) {
                System.out.print(arr[i][endColumn] + " ");
                count++;
            }

            endColumn--;

            if(startColumn > endColumn) break;
            if(startRow > endRow) break;

            // printing last row
            for(int i = endColumn; i >= startColumn; i--) {
                System.out.print(arr[endRow][i] + " ");
                count++;
            }

            endRow--;

            if(startColumn > endColumn) break;
            if(startRow > endRow) break;

            // printing first column
            for(int i = endRow; i >= startRow; i--) {
                System.out.print(arr[i][startColumn] + " ");
                count++;
            }

            startColumn++;
        }