Warning, the protected name Chi has been redefined and unprotected There all together, 1, different equivalence classes For the equivalence class of patterns, {{[1, 2]}, {[2, 1]}} the member , {[1, 2]}, has a scheme of depth , 1 here it is: [[[], {}, {}], [[1], {[0, 1]}, {1}]] Using the scheme, the first, , 10, terms for , 1, copies of each letter are [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Using the scheme, the first, , 10, terms for , 2, copies of each letter are [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Using the scheme, the first, , 10, terms for , 3, copies of each letter are [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Out of a total of , 1, cases 1, were successful and , 0, failed Success Rate: , 1. Here are the failures {}