I'm skipping the new t3-6:nowhere to go, it's even harder than t2-6
I got T3 - 6 "in rot13":
1. -V pbcl gur qbbe naq bcra gung pbcl
2. nccyl -1+1V znfgre xrlf naq bcra n erny pbcl bs gur qbbe
3. hfr gur fvtasyvc xrl naq hfr gur erznvavat znfgre xrl orsber gur oynax qbbe ba gung plna qbbe
4. pbcl gung qbbe ntnva fb vg unf -2-1V pbcvrf
5. ghea gur 10 vagb -10 hfvat -1 pbcvrf bs gur qbbe
6. ghea gur -10+10V vagb -10V hfvat -1V pbcvrf bs gur qbbe
7. hfr gur gevpx va 10-O gb trg gb gur tbny
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gur gevpx vf gb pbcl n qbbe juvyr ba vg