```go
package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Buffer(make([]byte, 1024*1024), 1024*1024)
	if !scanner.Scan() {
		return
	}
	n, _ := strconv.Atoi(scanner.Text())

	writer := bufio.NewWriter(os.Stdout)
	defer writer.Flush()

	for i := 1; i <= n; i += 2 {
		fmt.Fprintf(writer, "%d ", i)
	}

	startOdd := n - 1
	if n%2 != 0 {
		startOdd = n - 2
	}

	for i := startOdd; i >= 1; i -= 2 {
		fmt.Fprintf(writer, "%d ", i)
	}

	for i := 2; i <= n; i += 2 {
		fmt.Fprintf(writer, "%d ", i)
	}

	startEven := n - 1
	if n%2 == 0 {
		startEven = n - 2
	}

	for i := startEven; i >= 2; i -= 2 {
		fmt.Fprintf(writer, "%d ", i)
	}

	fmt.Fprintf(writer, "%d\n", n)
}
```