package main

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

func main() {
	in := bufio.NewReaderSize(os.Stdin, 1<<20)
	out := bufio.NewWriterSize(os.Stdout, 1<<20)
	defer out.Flush()

	var t int
	fmt.Fscan(in, &t)
	for i := 0; i < t; i++ {
		var a, b int64
		fmt.Fscan(in, &a, &b)
		if a > b {
			a, b = b, a
		}
		side := b
		if 2*a > side {
			side = 2 * a
		}
		fmt.Fprintln(out, side*side)
	}
}