– last updated 3:20 pm, 12/11/2017 –

Find below a cryptic request in 23 lines. The final response should be a single line in the same form. A precise answer is not expected, just something close will suffice – you’ll understand as you make progress.

Feel free to pose a question in the comments below. Any answers to posed questions, corrections, and the occasional clue will be provided below.

Good luck!


  1. 443334.1 + 151831.1
  2. 385339.9 – 841357.4
  3. 340516.2 – 1181639.2
  4. 250412.4 + 551020.7
  5. 415417.7 + 123002.5
  6. 385252.3 – 770421.5
  7. 340214.5 – 1182859.5
  8. 504604.8 + 1707.9
  9. 340342.1 – 1182925.3
  10. 395549.7 + 324751.0
  11. 414332.6 – 874250.3
  12. 404807.5 – 735722.7
  13. 513603.7 – 2344.7
  14. 350734.0 – 1063211.6
  15. 422631.5 – 712033.2
  16. 340532.5 – 1182317.0
  17. 420514.0 – 723400.8
  18. -425225.0 + 1471940.5
  19. 294414.1 – 952331.9
  20. 512908.6 – 939.6
  21. 180316.0 – 764705.5
  22. 425315.2 – 731315.2
  23. 443908.0 + 105610.3


Corrections

 

  1. Dec. 11: Line 12 has been corrected. It now reads “404807.5 – 735722.7″ and previously read “404807.5 – 735723.7″

Clues

 

  1. Dec. 7: Performing addition and subtraction will not get you to where you need to be.
  2. Dec. 10: It is not necessary to solve all 23 lines to get the right answer. I could imagine as few as seven, but probably more like 10-15 would work.