#include <bits/stdc++.h>

#define EDGE pair<long long,pair<pair<int,int>,pair<int,int> > >

using namespace std;

const int S=8;

int e[4][S+1][S+1][S+1];

int v[S+1][S+1][S+1],cv=1;

priority_queue<EDGE> q;

long long exrand() {

long long res=rand();

for(int i=1;i<=3;i++) {

res<<=15;

res+=rand();

}

return res;

}

EDGE edge(long long w,int k,int x,int y,int z) {

return make_pair(w,make_pair(make_pair(k,x),make_pair(y,z)));

}?

int main() {

srand((unsigned int)time(0));

v[1][1][1]=1;

e[1][1][1][1]=2;

e[2][1][1][1]=2;

e[3][1][1][1]=2;

q.push(edge(exrand(),1,1,1,1));

q.push(edge(exrand(),2,1,1,1));

q.push(edge(exrand(),3,1,1,1));

while(!q.empty()) {

int k,x,y,z;

bool flag=0;

do {

k=q.top().second.first.first;

x=q.top().second.first.second;

y=q.top().second.second.first;

z=q.top().second.second.second;

q.pop();

if(e[k][x][y][z]==2) flag=1;

}while(!flag&&!q.empty());

if(flag==0) break;

e[k][x][y][z]=1;

int x1=(k==1?x+1:x);

int y1=(k==2?y+1:y);

int z1=(k==3?z+1:z);

if(v[x1][y1][z1]==1) {

x1=x;

y1=y;

z1=z;

}

v[x1][y1][z1]=1;

cv++;

for(int k2=1;k2<=3;k2++) {

for(int i=-1;i<=0;i++) {

int x2=(k2==1?x1+i:x1);

int y2=(k2==2?y1+i:y1);

int z2=(k2==3?z1+i:z1);

if(!((k2==1&&(x2==0||x2==S))||(k2==2&&(y2==0||y2==S))||(k2==3&&(z2==0||z2==S)))) {

if(e[k2][x2][y2][z2]==2) e[k2][x2][y2][z2]=-1;

else if(e[k2][x2][y2][z2]==0) {

e[k2][x2][y2][z2]=2;

q.push(edge(exrand(),k2,x2,y2,z2));

}

}

}

}

}

for(int z=1;z<=S;z++) {

cout << z/10 << z%10;

for(int i=1;i<=2*S;i++) cout << "■";

cout << endl;

for(int x=1;x<=S;x++) {

cout << "■";

for(int y=1;y<=S;y++) {

int u=0,d=0;

if(z!=S&&e[3][x][y][z]==1) u=1;

if(z!=1&&e[3][x][y][z-1]==1) d=1;

if(u==1&&d==1) cout << "·";

else if(u==1) cout << "↑";

else if(d==1) cout << "↓";

else cout << "? ";?

if(y!=S) {

if(e[2][x][y][z]==1) cout << "? ";

else cout << "■";

}

}

cout << "■";

cout << endl;

if(x!=S) {

cout << "■";

for(int y=1;y<=S;y++) {

if(e[1][x][y][z]==1) cout << "? ";

else cout << "■";

if(y!=S) cout << "■";

}

cout << "■";

cout << endl;

}

}?

for(int i=1;i<=2*S+1;i++) cout << "■";

cout << endl;

if(z!=S) cout << endl;

}

return 0;

}