#![allow(unused_imports)]
use std::{*, collections::*, ops::*, cmp::*, iter::*};
use proconio::{input, fastout};

fn main() {
    solve();
}

type us = usize;

// CONTEST(abcXXX-a)
#[fastout]
fn solve() {
    input! {x:us,y:us,n:us,uv:[(us,us);n]}
    for (u,v) in uv {
        if u == 0 {
            println!("{}", (v-1)%y+1);
        } else if (u-1)/y == (v-1)/y {
            println!("{}", ((u-1)%y).abs_diff((v-1)%y));
        } else {
            println!("{}", (u-1)%y+1 + (v-1)%y+1);
        }
    }
}

// #CAP(fumin::modint)
pub mod fumin {
}