T = int(input())

solved_grids = []

i = 0
while i < T:
    r, c, M, N = map(int, input().split())
    G = [input().split(" ") for _ in range(r)]

    for x in range(len(G)):
        G[x] = G[-(M % c):] + G[:-(M % c)]

    G = G[(N % r):] + G[:(N % r)]

    solved_grids.append(G)
    i += 1

for grid in solved_grids:
    for row in grid:
        print(' '.join(row))