def solve():

    N, M, K = map(int, input().split())
    ans = [[-1] * N for _ in range(N)]


    for y in range(N):
        for x in range(N):
            ans[y][x] = (y * K + x) % M + 1

    for a in ans:
        print(*a)


# T = int(input())
T = 1
for _ in range(T):
    solve()