Why does it write "Unreachable Code CS0162" ?

Question

https://code.sololearn.com/c1C8axVc33ka/#cs

Answer 1

And
Unreachable because of break; in last for loop. It not able reach to i++; so thats why.
And put ; after every console.write();
Remove break. Which is not needed but in can be included in if() statement after no printed....