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