def solve():
    g, a, b = map(int, input().split())
    if a == 0:
        if b == 0:
            print(0)
            return
        a = 1
    g -= 1
    ans = 0
    c = (a - 1) % g + 1
    d = (b - 1) % g + 1
    if d >= c:
        ans += (d + c) * (d - c + 1) // 2
        l = (b - a + 1) - (d - c + 1)
        l //= g
    else:
        ans += (1 + d) * d // 2
        ans += (g + c) * (g - c + 1) // 2
        l = (b - a + 1) - d - (g - c + 1)
        l //= g
    ans += l * (1 + g) * g // 2
    print(ans)
    

for _ in range(int(input())):
    solve()