package main
import "fmt"

func main(){
	var h [1000*1000]map[string]interface{}
	
	for i := 0; i < 1000*1000; i++ {
		m := make(map[string]interface{}, 3)
		
		h[i] = m
		
		m["x1"] = i * 2
		m["x2"] = i * 3
		m["str"] = fmt.Sprint(i*3)
	}
}