import 'dart:io';
void main() {
int n = 5;
if(n%2 == 0){
return;
}
int row = 3*n;
int col = 2 *n;
int spaceBefore = 1;
int spaceAfter = 2*n-1;
int rowmid = ((row+1)/2).round();
int spaceBefore2 = n-1;
int spaceAfter2 = n;
int mid = 1;
int mid2 = 2*n+1;
//print(mid2);
for(int i = 1; i<=row; i++){
if(i<n){
print("*"*spaceBefore + " "*spaceAfter);
}else if(i==n){
print("*"*n+ " "*n);
}else if(i>n && i<rowmid){
print(" "* spaceBefore2 + "*"*mid + " "*spaceAfter2);
}else if(i==rowmid){
print(" "* spaceBefore2 + "*"*mid + "e"*n);
}else if(i<mid2){
print(" "* spaceBefore2 + "*"*mid + " "*spaceAfter2);
}
}
}
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