How to recover most recently deleted directories on NTFS partition under Ubuntu 12.04

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http://unix.stackexchange.com – In Nautilus under Ubuntu 12.04, I accidentally selected several directories on a partition and deleted them at once (unfortunately, I deleted them by Shift+Delete such that they don't remain in Trash). I haven't written any new data to that partition yet since the deletion. I wonder what ways I can try to recover them? Note that the partition is NTFS, shared between Windows 7 and Ubuntu 12.04. Following is what I have tried so far. I just installed TestDisk 6.13 via apt-get install, and followed http://www.cgsecurity.org/wiki/Undelete_files_from_NTFS_with_TestDisk to recover the deleted dir (HowTos)