for _ in range(int(input())):
R,C = map(int,input().split())
A = [];x = []
for i in range(R):
L = input()
if len(x)< 1 and "#" in L:
x.append(L.index("#"))
A.append(L.count("#"))
print(A.index(max(A))+1,x[0]+1)1213A - Chips Moving | 490A - Team Olympiad |
233A - Perfect Permutation | 1360A - Minimal Square |
467A - George and Accommodation | 893C - Rumor |
227B - Effective Approach | 1534B - Histogram Ugliness |
1611B - Team Composition Programmers and Mathematicians | 110A - Nearly Lucky Number |
1220B - Multiplication Table | 1644A - Doors and Keys |
1644B - Anti-Fibonacci Permutation | 1610A - Anti Light's Cell Guessing |
349B - Color the Fence | 144A - Arrival of the General |
1106A - Lunar New Year and Cross Counting | 58A - Chat room |
230A - Dragons | 200B - Drinks |
13A - Numbers | 129A - Cookies |
1367B - Even Array | 136A - Presents |
1450A - Avoid Trygub | 327A - Flipping Game |
411A - Password Check | 1520C - Not Adjacent Matrix |
1538B - Friends and Candies | 580A - Kefa and First Steps |