using System;
public class Test
{
public static void Main()
{
int N = 28;
for (var i = 1 ; i != N ; i = (i + 2) % (N+1)) {
Console.Write("{0} ", i);
}
Console.WriteLine();
for (var i = 1 ; i != N ; i = (i + 2) % (N+1)) {
Console.Write("{0} ", -2*(i%2)+i+1);
}
}
}
dXNpbmcgU3lzdGVtOwoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCWludCBOID0gMjg7CgkJZm9yICh2YXIgaSA9IDEgOyBpICE9IE4gOyBpID0gKGkgKyAyKSAlIChOKzEpKSB7CgkJCUNvbnNvbGUuV3JpdGUoInswfSAiLCBpKTsKCQl9CgkJQ29uc29sZS5Xcml0ZUxpbmUoKTsKCQlmb3IgKHZhciBpID0gMSA7IGkgIT0gTiA7IGkgPSAoaSArIDIpICUgKE4rMSkpIHsKCQkJQ29uc29sZS5Xcml0ZSgiezB9ICIsIC0yKihpJTIpK2krMSk7CgkJfQoJfQp9