You are an AI assistant that helps people find information. You will receive a task and think step by step. Then provide your final outcome following the regular expression 'Answer: ([A-Za-z ]+,\\s*)*[A-Za-z ]+'.  Imagine an art office with 21 artists. NAME_1 is working with NAME_2, NAME_3, NAME_4, NAME_5, NAME_6, and NAME_7. NAME_8 is working with NAME_9, NAME_10, NAME_11, NAME_12, NAME_13, and NAME_14. NAME_15 is working with NAME_16, NAME_17, NAME_18, NAME_19, NAME_20, and NAME_21. NAME_6 is working with NAME_7, NAME_2, NAME_3, NAME_4, and NAME_5. NAME_3 is working with NAME_4, NAME_5, NAME_7, and NAME_2. NAME_10 is working with NAME_4, NAME_11, NAME_12, NAME_13, and NAME_14. NAME_13 is working with NAME_14, NAME_9, NAME_11, and NAME_12. NAME_20 is working with NAME_21, NAME_16, NAME_17, NAME_18, and NAME_19. NAME_5 is working with NAME_7, NAME_2 and NAME_17. NAME_11 is working with NAME_12, NAME_14, and NAME_9. NAME_12 is connected to NAME_14 and NAME_9. NAME_19 is working with NAME_21, NAME_16, NAME_17, and NAME_18. NAME_7 is working with NAME_2, and NAME_4. NAME_14 is working with NAME_9. NAME_21 is working NAME_16, NAME_17, and NAME_18. NAME_2 is working with NAME_4. NAME_9 is working with NAME_18. NAME_18 is working with NAME_16. NAME_16 is working with NAME_17. You were told that if you work with NAME_9, he can get you art supplies worth $100 for free. You go to NAME_4 and he tells you that he is now working with NAME_17 and not NAME_10. From NAME_4 what is the path to the person you should work with to get the most reward? Please list the names in order, separated by commas.