n = gets.to_i
a = Array.new(n).map{Array.new(n,0)}
c = 1
(n/2).times do |i|
    (n/2).times do |j|
        a[i][j] = n*i+2*j+1
        a[i+n/2][j+n/2] = n*i+2*j+2
        a[i][n-1-j] = n*i+2*j+1+n**2/2
        a[i+n/2][n/2-1-j] = n*i+2*j+2+n**2/2
    end
end

n.times do |i|
    puts a[i].join(" ")
end