T = int(input())
for t in range(1, T + 1):
    R, C, K = map(int, input().split())
    Vrc = [[0 for j in range(C)] for i in range(R)]

    for r in range(R):
        for c, val in enumerate(map(int, input().split())):
            Vrc[r][c] = val
    print(Vrc)
    dp = [[1 for j in range(C)] for i in range(R)]

    if R == 1 and C != 1:
        for c in range(1, C):
            if Vrc[0][c] == Vrc[0][c - 1]:
                dp[0][c] = dp[0][c - 1] + 1

    else:
        for r in range(1, R):
            for c in range(1, C):
                if Vrc[r][c] == Vrc[r][c - 1]:
                    dp[r][c] = dp[r][c - 1] + 1

    print(dp)
    #print('Case #{}: {}'.format(t, y))