Thiru Elu Kootru Irukkai is a single poem composed by Sri Arunagirinathar. It comes under the category of Chitra-Kavi and consists of numbers one to seven in ascending and descending orders (as 1; 1-2-1; 1-2-3-2-1; 1-2-3-4-3-2-1,; etc.) and is capable of being portrayed or encased in a drawing. It is a rare piece of work, the like of which is composed by a few poets only.