import sys
from collections import *
from functools import cache, partial
from itertools import *
from pprint import pprint
from typing import Any, Final

try:
    from icecream import ic
except ImportError:  # Graceful fallback if IceCream isn't installed.
    ic = lambda *a: None if not a else (a[0] if len(a) == 1 else a)  # noqa
debug = partial(print, file=sys.stderr)
dpprint = partial(pprint, stream=sys.stderr)
sys.setrecursionlimit(10 ** 6)
MOD=998244353

X, Y, N = map(int, input().split())

# ic(X, Y)

for _ in range(N):
    u, v = map(int, input().split())
    # ic(u, v)
    if u == 0 and v == 0:
        ans = 0
    elif u == 0:
        ans = (v - 1) % Y + 1
    elif v == 0:
        ans = (u - 1) % Y + 1
    else:
        s, t = (u - 1) // 3, (v - 1) // 3
        # ic(s, t)
        if s == t:
            # 同じ枝
            ans = abs(u - v)
        else:
            # 違う枝
            # 0 からの距離を求める
            ans = (u - 1) % Y + (v - 1) % Y + 2
    print(ans)