That stat line is insane.
Halfling Rogue 4/Swordsage 2/Swashbuckler 3
(Take Rogue, Swashbuckler, Swordsage, Swashbuckler, Rogue, Rogue, Rogue, Swordsage, Swashbuckler.
If your GM is lenient on multiclassing XP penalty do Rog, Swa, Swo, Swa, Rog, Rog, Swa, Swo, Rog instead; the final rogue...