The two parallel lines B, inside of the main gear marks, are caused by the sides of the (probably distorted) fuselage digging through the soil.
That would imply a major structural MLG failure and hence many more marks. The fact that they are parallel to the MLG tracks with the aircraft turning implies they are located at a similar FS (fuselage station) as the MLG. Such defined marks are surely the lower parts and/or skids of the (open) MLG doors.