HackerRank "Vertical Rooks"

t = int(input())
for _ in range(t):
n = int(input())
# Get input
p1 = []
for _ in range(n): p1.append(int(input()))
p2 = []
for _ in range(n): p2.append(int(input()))
# Game of Nim
nim = 0
for i in range(n):
nim ^= abs(p2[i]- p1[i]) - 1
print ("player-2" if nim != 0 else "player-1")