package main

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

func main() {
	in := bufio.NewReader(os.Stdin)
	out := bufio.NewWriter(os.Stdout)
	defer out.Flush()

	var n, m int
	if _, err := fmt.Fscan(in, &n, &m); err != nil {
		return
	}

	occ := make([]int, 4*n)
	id := 1

	for i := 0; i < n && id <= m; i++ {
		occ[i*4+1] = id
		id++
		if id > m {
			break
		}
		occ[i*4+3] = id
		id++
	}
	for i := 0; i < n && id <= m; i++ {
		occ[i*4+0] = id
		id++
		if id > m {
			break
		}
		occ[i*4+2] = id
		id++
	}

	first := true
	for i := 0; i < n; i++ {
		for _, off := range []int{0, 1, 2, 3} {
			val := occ[i*4+off]
			if val != 0 {
				if !first {
					fmt.Fprint(out, " ")
				}
				first = false
				fmt.Fprint(out, val)
			}
		}
	}
	fmt.Fprintln(out)
}