i would keep the hex to 10 weeks myself but if you think you can handle 12 then go ahead.. its not the best idea but at a more moderate dose, you can...
generally speaking, i would go with test 250-300 and mast at 500-600 but i would get your body fat down before you use masteron is you really want to...
at 26, the last thing you should be doing is using tren and running big cycles.. i wouldnt advise any steroid use at your age and certainly not tren...
anavar is much drier than tbol and a far better hardener... tbol will get you more size and a bit more strength but anavar will get you a much harder...