(2)"Sidelights" a green light on the starboard side and a red light on the port side each showing an unbroken light over an arc of the horizon of 112.5 degrees and so fixed as to show the light from right ahead to 22 degrees abaft the bean on its respective side. In a vessel of less than 20 meters in length the sidelights may be combined in one lantern carried the fore and aft centerline of the vessel. Side lights shall be placed not less than 1 meter below the mast head light.
