public static StringBuilder print(int[][] A) {

int m = A.length, n = A[0].length;

int size = m * n;

int x=0, y=0, i=0, count=0;

StringBuilder b = new StringBuilder();

while( count < size ) {

for( i=x; i<n; i++ ) {

b.append(A[y][i]); b.append(" "); count++;

}

for( i=y+1; i<m; i++ ) {

b.append(A[i][n-1]); b.append(" "); count++;

}

for( i=n-2; i>=x; i-- ) {

b.append(A[m-1][i]); b.append(" "); count++;

}

for( i=m-2; i>y; i-- ) {

b.append(A[i][x]); b.append(" "); count++;

}

x++; y++; n--; m--;

}

return b;

}

public static StringBuilder printInsideOut(int[][] A) {

return print(A).reverse();

}

public static void main(String[] args) {

int[][] A = new int[][] { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} };

System.out.println(print(A));

System.out.println(printInsideOut(A));

}

}