import math
import sys



def main(fans):
	countOfFans = {}
	
	index = 0
	#for i in fans:
	#	substituteArr = []
	#	for j in i:
	#		print(j)
	#		substituteArr.append(j)
	#	#fans[index] = substituteArr
	#	index += 1
	#	#print(substituteArr)
		
	#print(fans)
	
	for i in fans:
		for j in i:
			countOfFans[j] = 0
	
	for i in fans:
		for j in i:
			countOfFans[j] +=1
	#print(countOfFans)
	singleOne = ''
	for i in countOfFans:
		if countOfFans[i] == 1:
			singleOne = i
	#print(singleOne)
	
	items = countOfFans.items()
	keys = countOfFans.keys()
	biggestNumber = 1
	biggestNumberTeam = ''
	for i in countOfFans:
		if(countOfFans[i] > biggestNumber):
			biggestNumber = countOfFans[i]
			biggestNumberTeam = i
	#print(biggestNumberTeam)
	
	candidate = ''
	for i in countOfFans:
		if(countOfFans[i] == biggestNumber -1):
			candidate = i
	indexI = 0
	
	#for i in fans:
	#	indexJ = 0
	#	for j in i:
	#		if(j == singleOne):
	#			#j = candidate
	#			fans[indexI][indexJ] = candidate
	#		indexJ += 1
	#	indexI += 1
		
	#print(fans)
	indexI = 1
	#print(fans)
	for i in fans:
		indexJ = 1
		for j in i:
			
			if(j == singleOne):
				#print(j)
				#print(fans[indexJ][indexI])
				print(indexI, indexJ,candidate)
			indexJ += 1
		indexI += 1

def input():
	numberOfInputs = 0
	index = 0
	fans = []
	line = '.'
	while line:
		line = sys.stdin.readline()
		#print('line:',line)
		line = line.rstrip('\n')
		#print((line))
		if(index == 0):
			if(line != ''):
				numberOfInputs = int(line)
				
			#print('line:',line)
			
		if(index != 0):
			fans.append(line)
		if(index == numberOfInputs):
			main(fans)
			index = 0
			fans = []
		else:
			index +=1

input()