def main():
    h, w, sy, sx, gy, gx = list(map(int, input().split()))
    sy, sx, gy, gx = sy-1, sx-1, gy-1, gx-1
    ans = 0
    a0 = 2
    a1 = h+w-2
    if sy+sx < min(h-1, w-1):
        a1 += sy+sx
    elif sy+sx <= max(h-1, w-1):
        a1 += min(h, w)-1
    else:
        a1 += h+w-2-sy-sx
    sx = w-1-sx
    gx = w-1-gx
    if sy+sx < min(h-1, w-1):
        a1 += sy+sx
    elif sy+sx <= max(h-1, w-1):
        a1 += min(h, w)-1
    else:
        a1 += h+w-2-sy-sx
    a2 = h*w-a1-a0
    a3 = 0
    if sy == gy or sx == gx:
        if sx == gx:
            sy, sx, gy, gx, h, w = sx, sy, gx, gy, w, h
        if gx < sx:
            sx, gx = w-1-sx, w-1-gx
        a1 -= 1 + (w-1-gx)
        a2 += 1 + (w-1-gx)
        y = sy
        mx = max(y+sx, h-1+sx-y)
        mx = min(mx, w-1)
        mx = max(mx, gx)
        if mx < w-1:
            if (mx+1) % 2 == sx % 2:
                t = (w-mx)//2
            else:
                t = (w-1-mx)//2
            a3 = (w-1-mx)-t
            a2 -= a3
    elif sy-sx == gy-gx or gy+gx == sy+sx:
        if sy-sx != gy-gx:
            sx, gx = w-1-sx, w-1-gx
        if sy < gy:
            gy, gx = h-1-gy, w-1-gx
        t = min(gy, gx)
        a2 += t+1
        a1 -= t+1
    ans = a3*3+a2*2+a1
    return ans
for _ in range(int(input())):
    print(main())