#include<fstream>
using namespace std;
ifstream fin("f.in");
ofstream fout("f.out");

void citire(int a[20][20], int &n, int &m)
{
	int i,j;
	fin>>n>>m;
	for(i=1;i<=n;i++)
		for(j=1;j<=m;j++)
			fin>>a[i][j];
}

void afisare(int a[20][20], int n, int m)
{
	int i,j;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=m;j++)
			fout<<a[i][j]<<" ";
		fout<<endl;
	}
}

void copiaza(int a[20][20], int b[20][20], int n, int m)
{
	int i,j;
	for(i=1;i<=n;i++)
		for(j=1;j<=m;j++)
			b[i][j]=a[i][j];
}

void invers_lin_med(int a[20][20], int n, int m)
{
	int i,j,aux;
	for(i=1;i<=n/2;i++)
		for(j=1;j<=m;j++)
		{
			aux=a[i][j];
			a[i][j]=a[n+1-i][j];
			a[n+1-i][j]=aux;
		}
}

void invers_col_med(int a[20][20], int n, int m)
{
	int i,j,aux;
	for(j=1;j<=m/2;j++)
		for(i=1;i<=n;i++)
		{
			aux=a[i][j];
			a[i][j]=a[i][m+1-j];
			a[i][m+1-j]=aux;
		}
}


void transpusa(int a[20][20], int b[20][20], int n, int m)
{
	int i,j,aux;
	for(i=1;i<=n;i++)
		for(j=1;j<=m;j++)
		b[j][i]=a[i][j];
}

int main()
{
	int a[20][20],b[20][20],n,m;
	citire(a,n,m);
	
	copiaza(a,b,n,m);
	invers_lin_med(b,n,m);
	fout<<"Inversare fata de linia mediana:\n";
	afisare(b,n,m);
	
	copiaza(a,b,n,m);
	invers_col_med(b,n,m);
	fout<<"Inversare fata de coloana mediana:\n";
	afisare(b,n,m);
	
	copiaza(a,b,n,m);
	invers_col_med(b,n,m);
	invers_lin_med(b,n,m);
	fout<<"Inversare fata de centrul matricii:\n";
	afisare(b,n,m);
	
	transpusa(a,b,n,m);
	fout<<"Transpusa:\n";
	afisare(b,m,n);
	return 0;
}