```go
package main

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

func main() {
	in := bufio.NewReader(os.Stdin)
	var t int
	fmt.Fscan(in, &t)
	for _ = range make([]int, t) {
		var n, m, rb, cb, rd, cd int
		fmt.Fscan(in, &n, &m, &rb, &cb, &rd, &cd)
		if rb == rd || cb == cd {
			fmt.Println(0)
			continue
		}
		r := rb
		c := cb
		dr := 1
		dc := 1
		time := 0
		for {
			if r+dr < 1 || r+dr > n {
				dr = -dr
			}
			if c+dc < 1 || c+dc > m {
				dc = -dc
			}
			r += dr
			c += dc
			time++
			if r == rd || c == cd {
				fmt.Println(time)
				break
			}
		}
	}
}
```