func main()
	var t: int :: cui@inputInt()
	for(1, t)
		var d: int :: cui@inputInt()
		var a: int :: cui@inputInt()
		var b: int :: cui@inputInt()
		var ans: int :: f(b, d) - f(a - 1, d)
		do cui@print("\{ans}\n")
		
		func f(x: int, d: int): int
			if(x = -1)
				ret 0
			end if
			var dd: int :: d - 1
			var res: int :: 0
			do res :+ d * (d - 1) / 2 * (x / dd)
			var n: int :: x % dd
			do res :+ (n + 1) * n / 2
			ret res
		end func
	end for
end func