1. Today, I invented time travel
  2. I went to yesterday
  3. I invented time travel yesterday instead, with the help of yesterday-me
  4. The two of us went back in time to the day before that and invented time travel, but did not enlist the help of day-before-yesterday-me because I remember being grouchy that day
  5. The three of us went to tomorrow
  6. We stayed the night with tomorrow-me
  7. I did not invent time travel today since yesterday-me did not make it to today since he was hanging out with me and tomorrow-me
  8. I did not go to yesterday
  9. I did not go to the day before yesterday
  10. I did not go to tomorrow
  11. I did not spend the night with tomorrow-me
  12. Today, I invented time travel