For the two example above, we have 〖 2〗^2 7^1 〖11〗^2 〖17〗^1 〖19〗^2 R7^2 〖17〗^1 〖19〗^2 2^1 3^2 (with k=3)and 5^3 〖23〗^5 R〖19〗^3 7^5 (with k=5). This means that 0011101001101001 and 0100110011101001 are in same equivalence class, as are 1100011111100000 and 1110000011110001.