For sure the best selling version. It possibly outsold all console versions combined.It still sold a good amount on 3DS. Maybe the best selling version.
Japan (Media-Create)
3DS: 313,974 ltd
PS3: 184,101 ltd
WiiU: 18,359 ltd
360: 10,977k ltd
USA (NPD)
3DS: 122k in 2 months
360: 55k in 9 months
PS3: 53k in 9 months
WiiU: 16k in 9 months