BlackSheepSystems - Trench prototype run

This is the first run of using the system to build (what identifies as) trenches. You build low square blocks, with 4 half pillars, a floor piece on the top and then you add half walls to the sides wish will stay visible. You build high square blocks, with 4 pillars, a floor piece on the top and then you add trench walls or 1st floor wall to the sides wish stay visible. This set needs to be used with the 'BlackSheepSystem' base pieces. This is mearly a prototype run, due other then described