n = int(input())

def create_line(limit, depth):
    val_concat = depth
    if (limit > depth):
        val_concat = limit
    if (depth == 1):
        return [val_concat]
    else:
        return [val_concat]+create_line(limit, depth-1)+[val_concat]

def create_cible(depth, n, cible):
    if (depth == 1):
        line = create_line(depth, n)
        cible.append(line)
    else:
        line = create_line(depth, n)
        cible.append(line)
        create_cible(depth-1, n, cible)
        cible.append(line)

cible = []
create_cible(n,n,cible)
for line in cible:
    for number in line:
        print number,
    print ""