@technic I guess this method is now validated! @mazamilam and I said the same thingWhen you are providing dates, try and be in flow with the dates. Start with the present and follow the dates, even if they overlap.
2016-08 to 2017-10 part-time independent work on side
2015-10 to 2017-10 abc company ltd ---- are you still working here? If so, move this to the top and put PRESENT, If not, leave here.
2014-08 to 2014-12 Study Part time
2013-10 to 2015-10 xyz company ltd
2013-08 to 2013-12 Study Part time
2012-10 to 2013-10 lmn company ltd