public class Trigon
{
public static void main(String[] arges){
for(int i=1;i<=9;i++){
for(int j=1;j<=9-i ;j++ ){
System.out.print(" ");
}
for(int k=1;k<=2*i-1;k++){
System.out.print(i);
}
System.out.println();
}
System.out.println("----------------------------------");
for(int i=9;i>=1;i--){
for(int j=1;j<=9-i;j++){
System.out.print(" ");
}
for(int k=1;k<=2*i-1;k++){
System.out.print(i);
}
System.out.println();
}
}
}