A system of gas burners for a cooktop includes a pair of concentric burners made up of an outer burner having a first cup and a first flame divider and an inner burner having a second cup and a second flame divider. The first and second flame dividers having respective first and second apertures to allow an air-gas mixture to escape and positioned to extend parallel to a vertical axis of the burners. The first cup includes a first Venturi element for supplying an air-gas mixture to a first chamber of the first cup. The second cup includes a second Venturi element for supplying an air-gas mixture to a second chamber of the second cup. The first and second Venturi elements are positioned horizontally along respective first and second axes, the first axis being located on an outside of an inner wall of the first cup.