I used tangles yinglinx, Yomaho, Zinger, Zuanshi, Acgt, Afterglo, and Aqua (and no, these are not misspellings)
To see more entries to Carolien and Diane's challenge for week 9 copy and paste this link http://www.dianeclancy.com/blog/2015/06/weekly-challenge-9-tangle-with-y-z-a/
Zentangle Challenge 10 is for tangles that start with # - C & R (yes, there are some tangles that actually start with a number instead of a letter). To see some on Carolien and Diane's Board go to this link https://www.pinterest.com/TangleChallenge/zentangle-numbers/
I used tangles 70's Cup, Coaster, Clydescope, Craffle & Rosewood.
Zentangle Challenge 11 is for F - M - T
And I used Flutterpie, Mirrky, Tuftid & Msst. To view more for this challenge copy and paste this link. http://www.dianeclancy.com/blog/2015/06/weekly-challenge-11-tangle-with-f-m-t/