sentences:  Variants with four to six single-gun turrets were also prepared, as was a version with two twin turrets and two single-gun wing turrets.By this time, the displacement limit had been raised to , though the RMA agreed to allow an increase to , as that was the maximum displacement that could be accommodated by existing infrastructure.As Dietrich continued to work on the plans, he examined other foreign contemporaries, including the French ironclad battleships that carried three single-gun turrets, all on the centerline.