public void RearrangePrograms()
{
var spin = new Spin(3);
var input = new char[] { 'a', 'b', 'c', 'd', 'e' };
Assert.Equal(new char[] { 'c', 'd', 'e', 'a', 'b' }, spin.ApplyStep(input));
spin = new Spin(1);
input = new char[] { 'a', 'b', 'c', 'd', 'e' };
Assert.Equal(new char[] { 'e', 'a', 'b', 'c', 'd' }, spin.ApplyStep(input));
}