Why don't this makes a pyramid?

Question

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void makepyramid(int rows){
for(int z=1; z<=rows;z++){
for(int i=1;i<=z;i++ ){
Console.WriteLine("M");
}
{ for(int s=1;s<=2*z-1;s++){
Console.WriteLine("*"+"s");}}
{}}} static void Main(string[] args)
{
makepyramid(3);
}
}
}

Answer 1

My main concern is it goes in one line "M" and "s" is for my convenience

Answer 2

Ya but how