1. A sample processing of an input molecule

2. S0 S1 a a b b A1: even number of b’s Automaton A1 accepting inputs with an even number of b ’s

3. Automata programs used to test the molecular implementation

5. Experimental testing of automaton programs A1 – A6

6. Computations over 6-symbol long input molecules

7. Parallel computation

8. A non-deterministic computation A7

9. Identification of the essential components

10. Close inspection of the reaction intermediates

11. An estimation of system fidelity

12. Medicine in 2050: “Doctor in a Cell” Programmable Computer Molecular Input Molecular Output