here's the correct taken triangles list
1. BR1 = kosmos
2. BR4 = icandothat
3. BR5 = cheriffic
4. BR12 = cheriffic
5. BR13 = chewboo
6. RS1 = Sharon b
7. RS4 = orchidquiltfish
8. RS12 = okie
9. RS13 = Icandothat
10. TR1 = chewboo
11. TR2 = norbanaquilts
12. TR4 = buddy’s mom
13. TR5 = orchidquiltfish
14. TR9 = norbanaquilts
15. TR12 = kosmos