tim_pa1

T = int(input())

i = 0
while i < T:
    rcMN = input()
    # print(rcMN)
    r,c,M,N = rcMN.split() # splitting input
    G =[]
    j = 0

    # arrange horizontally
    G1 = []
    for x in range(int(r)):
        line = input().split(" ")
        G1.append(line)
    # rotate
    G2 = []
    for x in range(len(G1)):
        G2a = G1[x][int(M)-1:] + G1[x][:int(M)-1] # slices the list at M
        G2.append(G2a)
    # arrange vertically
    """G3 = []
    for x in range(int(c)):
        newrow = []
        for y in range(int(r)):
            z = G2[y][x]
            newrow.append(int(z))
        G3.append(newrow) """
    # switcheroo
    G4 = []
    for x in range(len(G2)):
        G4a = G2[x][int(N):] + G2[x][:int(N)] # slices the string at M
        G4.append(G4a)
    #print(G4[2][0])
    #print(G4)

    # arranging output

    # traverse all sublists and append the kth element of each

    c1 = 0
    while c1 < len(G4):
        newer_row = []
        c2 = 0
        while c2 < len(G4[c1]):
            newer_row.append(G4[c1][c2])
            c2 += 1
            print(newer_row)
        c1 += 1