import sys
input = sys.stdin.readline


def rot90(A):
    return list(zip(*(A[::-1])))


T = int(input())
for _ in range(T):
    H, W = map(int, input().split())
    flag = 0
    if H > W:
        flag = 1
        H, W = W, H
    if H == 1:
        if W % 3 == 1:
            L = [0, 1, 1] * 50
        else:
            L = [1, 1, 0] * 50
        ans = [L[:W]]
        if flag:
            ans = rot90(ans)
        for a in ans:
            print(*a)
    elif H == 2:
        if W % 3 == 1:
            L = [1, 2, 2] * 50
        else:
            L = [2, 2, 1] * 50
        ans = [L[:W], L[:W]]
        if flag:
            ans = rot90(ans)
        for a in ans:
            print(*a)
    else:
        L = [[0] * W for i in range(H)]
        cnt = 0
        length = 0
        if H % 2 == 0:
            if W % 2 == 0:
                length = H + W - 1
            else:
                length = W
        else:
            if W % 2 == 0:
                length = H
            else:
                length = 0

        if length % 3 == 1:
            temp = [0, 1, 1] * 50
        else:
            temp = [1, 1, 0] * 50

        for i in range(H):
            for j in range(W-1, -1, -1):
                if i % 2 == 1 and j % 2 == 1:
                    L[i][j] = 0
                else:
                    L[i][j] = 2
                if (j == W - 1 and W % 2 == 0) or (i == H - 1 and H % 2 == 0):
                    L[i][j] = temp[cnt]
                    cnt += 1
        if flag:
            L = rot90(L)
        for a in L:
            print(*a)