2. The apparatus of claim 1 , wherein the storage is configured to store a variant of the element; and an algorithm of estimating a quality rating of an obtained variant of the element.
2. The apparatus of claim 1 , wherein the storage is configured to store a variant of the element; and an algorithm of estimating a quality rating of an obtained variant of the element. 4. The apparatus of claim 2 , wherein the algorithm of estimating the quality rating of the obtained variant of the element is set in the form of a graph.