#include<iostream>
#include<cstdio>
#include<cmath>

using namespace std;

int n,m,a,c,poeni[405][405],smer,red,prePoen,r,k,b,prosek,rezultat;
char znakovi[405][405],znakTemp[405][405];
long long maxPoen;
bool premalo;

class praznaMatrica{

public:
    void setup();
    void izmedju();
    void straneRomba();
    void naKraju();
    void probniIspis();
    void dalje();
private:
    int centar;
    int romb;
    int razdaljina;
    int br;
};

void praznaMatrica::setup(){
    centar = (m+1)/2;
    romb = m/2;
    if (m%2==0) romb--;
    razdaljina=a/prosek;

    znakovi[1][centar]='\\';
    if (n%3!=1) znakovi[1][m]='\\';

    if (m%2==1) znakovi[3][centar]='/';
    else znakovi[3][centar]='\\';

    if (n%3==2) { znakovi[n-1][1]='\\'; znakovi[n-1][m]='/'; }
}
void praznaMatrica::izmedju(){
    for (int i=6;i<=n;i+=3)
        {
            znakovi[i-2][centar]='/';
            znakovi[i-2][m]='/';
            if (m%2==0) { znakovi[i][centar]='\\'; znakovi[i][m]='\\'; }
            else znakovi[i][centar]='/';
        }
}
void praznaMatrica::straneRomba(){
    for (int i=3;i<=n;i+=3)
        {
            for(int j=1;j<=centar-razdaljina;j++)
            {
                znakovi[i-1][j]='/';
                znakovi[i][j]='\\';
            }
            for(int j=centar+razdaljina;j<=m-1;j++)
            {
                znakovi[i-1][j]='\\';
                znakovi[i][j]='/';
            }
            if (m%2==1) { znakovi[i][m]='.'; znakovi[i-1][m]='\\'; }
        }
}
void praznaMatrica::naKraju(){
    znakovi[n][1]='\\';
        znakovi[n][m]='/';
        if (m%2==0) znakovi[3][m]='\\';

}
void praznaMatrica::probniIspis(){
    for (int i=0;i<=n+1;i++){
        for (int j=0;j<=m+1;j++){
            cout<<znakTemp[i][j];
        }
    cout<<endl;
    }
}
void praznaMatrica::dalje(){
    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++)
            if (znakovi[i][j]!='.') br++;
    if (maxPoen-(long long)br*a<=0) premalo=true;
    else {cout<<1<<endl; premalo=false;}
    rezultat=maxPoen-(long long)br*a;
}

void izracunaj(int i){
    r=1;
    k=i;
    smer=2;

    for (int i=0;i<=n+1;i++)
        for (int j=0;j<=m+1;j++)
            znakTemp[i][j]=znakovi[i][j];

    while (znakTemp[r][k]!='#')
    {
        maxPoen+=poeni[r][k];
        if (znakTemp[r][k]=='.' || znakTemp[r][k]=='x')
        {
            znakTemp[r][k]='x';
            if (smer==1) r--;
            if (smer==2) k++;
            if (smer==3) r++;
            if (smer==4) k--;
        }
        else if (znakTemp[r][k]=='/')
        {
            znakTemp[r][k]='x';
            if (smer==1) { k++; smer=2; }
            else if (smer==2) { r--; smer=1; }
            else if (smer==3) { k--; smer=4; }
            else if (smer==4) { r++; smer=3; }
        }
        else
        {
            znakTemp[r][k]='x';
            if (smer==1) { k--; smer=4; }
            else if (smer==2) { r++; smer=3; }
            else if (smer==3) { k++; smer=2; }
            else if (smer==4) { r--; smer=1; }
        }
    }

}
void najboljiRed(int i){

    if (maxPoen>prePoen)
    {
        prePoen=maxPoen;
        red=i;
    }
    maxPoen=0;
}

int maxMatrica[17][17];
int tempMatrica[17][17];
int preMatrica[17][17];
int niz[100];
bool nemoze(){
    int x=1;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++,x++){
            if (znakovi[i][j]!='.' && niz[x]==0) return true;
        }
  return false;
}
void malaMatrica(){
    int granica=round(pow(3,n*m));
    maxPoen=0;
    prePoen=0;
    for (int i=0;i<granica;i++)
    {
        int temp=i;

        for(int j=1;j<=n*m;j++)
        {
            niz[j]=temp%3;
            temp/=3;
        }

        int x=1;
        for (int i=1;i<=n;i++)
            for (int j=1;j<=m;j++){
                if (niz[x]==0) znakovi[i][j]='.';
                else if (niz[x]==1) znakovi[i][j]='/';
                else znakovi[i][j]='\\';
                x++;
            }

        for (int i=1;i<=n;i++)
            for (int j=1;j<=m;j++){
                if (niz[x]==0) preMatrica[i][j]='.';
                else if (niz[x]==1) preMatrica[i][j]='/';
                else preMatrica[i][j]='\\';
                x++;
            }

        /*for (int i=1;i<=n;i++){
            for (int j=1;j<=m;j++){
                cout<<znakovi[i][j];}
        cout<<endl;}*/
        if (nemoze()) continue;
        for (int j=1;j<=n;j++)
        {
            r=1;
            k=j;
            smer=2;
            int cena = 0;
            for (int k=0;k<=n+1;k++)
                for (int l=0;l<=m+1;l++)
                    tempMatrica[k][l]=znakovi[k][l];
            int x=0;
            while (tempMatrica[r][k]!='#')
            {
                x++;
                maxPoen+=poeni[r][k];
                if (preMatrica[r][k]=='.' && niz[x]>0) cena+=a;
                else if (preMatrica[r][k]=='/' && niz[x]==2) cena+=c;
                else if (preMatrica[r][k]=='\\' && niz[x]==1) cena+=c;
                if (tempMatrica[r][k]=='.' || tempMatrica[r][k]=='x')
                {
                    tempMatrica[r][k]='x';
                    if (smer==1) r--;
                    if (smer==2) k++;
                    if (smer==3) r++;
                    if (smer==4) k--;
                }
                else if (tempMatrica[r][k]=='/')
                {
                    tempMatrica[r][k]='x';
                    if (smer==1) { k++; smer=2; }
                    else if (smer==2) { r--; smer=1; }
                    else if (smer==3) { k--; smer=4; }
                    else if (smer==4) { r++; smer=3; }
                }
                else
                {
                    tempMatrica[r][k]='x';
                    if (smer==1) { k--; smer=4; }
                    else if (smer==2) { r++; smer=3; }
                    else if (smer==3) { k++; smer=2; }
                    else if (smer==4) { r--; smer=1; }
                }
            }
            maxPoen-=cena;
            if (maxPoen>prePoen)
            {
                prePoen=maxPoen;
                for (int k=0;k<=n+1;k++)
                    for (int l=0;l<=m+1;l++)
                        maxMatrica[k][l]=znakovi[k][l];
                red=j;
            }
            maxPoen=0;
        }
    }
    cout<<red;
    prePoen=maxPoen;
        for (int k=0;k<=n+1;k++)
            for (int l=0;l<=m+1;l++)
                znakovi[k][l]=maxMatrica[k][l];
    rezultat=prePoen;

}

void input(){
    cin>>n>>m;
    cin>>a>>c;

    for (int i=0;i<=n+1;i++)
        for (int j=0;j<=m+1;j++)
            znakovi[i][j]='#';

    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++){
            cin>>znakovi[i][j];
            if (znakovi[i][j]!='.') b++;
        }

    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++){
            cin>>poeni[i][j];
            prosek+=poeni[i][j];
        }

    prosek/=n*m;
}

///  0-. 1-/ 2-\
///  1-gore  2-desno  3-dole  4-levo


int main()
{
    freopen("pinball.in","r",stdin);
    freopen("pinball.out","w",stdout);

    input();

    /*if (n*m<=9)
    {
        malaMatrica();
    }*/

    if (b==0)
    {
        praznaMatrica prazno;

        prazno.setup();
        prazno.izmedju();
        prazno.straneRomba();
        prazno.naKraju();
        izracunaj(1);
        //prazno.probniIspis();
        prazno.dalje();

    }

    if (b>0 || premalo==true)
    {
        red=1;
        maxPoen=0;
        for (int i=1;i<=n;i++)
        {
            izracunaj(i);
            najboljiRed(i);
        }
        cout<<red<<endl;
        rezultat=prePoen;
    }

    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++)
            cout<<znakovi[i][j];
        cout<<endl;
    }
    return 0;
}