# include <cstdio># include <vector># include <cstring># include <algorithm>using namespace std;vector<int> data[100];int x,y,minx,maxx,miny,maxy;int GetMin(int pos){int ans=pos/5*5;if(ans==pos) ans-=5;return ans;}int GetMax(int pos){return (pos/5+1)*5;}int main() {int c=0;while(true){scanf("%d%d",&x,&y);if(x==0&&y==0) break;for(int i=1;i<=94;i++) data[i].clear();data[x].push_back(y);minx=maxx=x;miny=maxy=y;while(true){scanf("%d%d",&x,&y);if(x==-1&&y==-1) break;data[x].push_back(y);minx=min(minx,x);maxx=max(maxx,x);miny=min(miny,y);maxy=max(maxy,y);}for(int i=minx;i<=maxx;i++)sort(data[i].begin(),data[i].end());int total=0,ans=1;for(y=1;y<=73;y++) if(y==1) {for(int i=minx;i<=maxx;i++)if(!data[i].empty()){if(y>=data[i].front()&&y<=data[i].back()) total=data[i].back()-data[i].front();else if(y>data[i].back()) total=data[i].back()-data[i].front()+y-data[i].back();else total=data[i].back()-data[i].front()+data[i].front()-y;}ans=y; } else { int tmp=total; for(int i=minx;i<=maxx;i++) if(!data[i].empty()) { if(y>data[i].front()&&y<=data[i].back()); else if(y<=data[i].front()) tmp--; else tmp++; } if(tmp<total) total=tmp,ans=y; }printf("OIL FIELD %dn",++c);int left=GetMin(minx),right=GetMax(maxx),down=GetMin(miny),up=GetMax(maxy);if(right-left>70||up-down>20) printf("Map is too big to draw for pipeline at %dn",ans);else{char orimap[100][100];memset(orimap,'.',sizeof(orimap));char *map[100];for(int i=0;i<100;i++)map[i]=orimap[i];//draw left border&right borderfor(int i=down;i<=up;i++){if((i-down)%5==0){sprintf(map[up-i],"%2d+",i);sprintf(&orimap[up-i][right-left+2],"+");}else{sprintf(map[up-i]," |");sprintf(&orimap[up-i][right-left+2],"|");}map[up-i]+=3;*map[up-i]='.';}sprintf(orimap[up-down+1]," %-5d",left);map[up-down+1]+=7;for(int i=left+1;i<right;i++){if((i-left)%5==0){sprintf(map[up-down+1],"%-5d",i);map[up-down+1]+=5;*map[up-down]=*map[0]='+';}else{*map[up-down]=*map[0]='-';}map[up-down]++;map[0]++;}sprintf(map[up-down+1],"%d",right);for(int i=down+1;i<up;i++)map[up-i]+=minx-left-1;for(int i=minx;i<=maxx;i++){if(!data[i].empty())for(int j=min(ans,data[i].front());j<=max(ans,data[i].back());j++)*map[up-j]='*';for(int j=down+1;j<up;j++)map[up-j]++;}for(int i=left+1;i<right;i++)orimap[up-ans][2+i-left]='*';for(int i=minx;i<=maxx;i++)for(int j=0;j<data[i].size();j++)orimap[up-data[i][j]][i-left+2]='@';for(int i=up;i>=down-1;i--)printf("%sn",up<10?orimap[up-i]+1:orimap[up-i]);}}return 0;}
