def game( n, k )

=begin
	n1 = n % ( k + 1 )	

	# n1　 　をいったら負け
	n1 = 0 ... 先手勝ち
	n1 = 1 ... 先手負け
	n1 = 2 ... 先手負け ( k >= 2 )

	n1 > 3
	# n1 - 1　 を言えたら勝ち

	(n1-1) <= k ? "win" : "lose"
=end

	n1 = n % ( k + 1 )
	if n1 == 0
		"Win"
	elsif n1 == 1 || n1 == 2
		"Lose"
	else
		(n1-1) <= k ? "Win" : "Lose"
	end
end

p = $stdin.gets.chomp.to_i
ans = []
1.upto( p ){
	question = $stdin.gets.chomp.split(/ /).map(&:to_i)
	ans << game( question[ 0 ], question[ 1 ] )
}
ans.each{ |a|
	puts a
}