Eiffel Tower

package main

import (
  "fmt"
  "strings"
)

func main() {
    var n int
    fmt.Scanln(&n)

    for row := 0; row < n; row++ {
        fmt.Println(strings.Repeat("-", n + 2) + "**" + strings.Repeat("-", n + 2))
    }

    for row := 0; row < n - 3; row++ {
        fmt.Println(strings.Repeat("-", n + 1) + "****" + strings.Repeat("-", n + 1))
    }

    fmt.Println(strings.Repeat("-", n) + "******" + strings.Repeat("-", n))

    for row := 0; row < n - 4; row++ {
        fmt.Println(strings.Repeat("-", n) + "**--**" + strings.Repeat("-", n))
    }

    for row := 0; row < n - 3; row++ {
        fmt.Println(strings.Repeat("-", n - 1) + "**----**" + strings.Repeat("-", n - 1))
    }

    fmt.Println(strings.Repeat("-", n - 2) + strings.Repeat("*", 10) + strings.Repeat("-", n - 2))

    for row := n - 3; row > 0; row-- {
        fmt.Println(strings.Repeat("-", row) + "**" + strings.Repeat("-",2 * n + 2 - 2 * row) + "**" + strings.Repeat("-", row))
    }
    fmt.Println("***" + strings.Repeat("-", 2 * n) + "***")
}