I found one and I believe there is more blank DMD worlds. True? Code of it world is:
BQDDnxtn6g19ZqZQhj+EAEoAEZsCogOeAHgsEBAgAACYABAAAAPQkAARNWAwUBBQJuCgAkNmaMAEIAagAGABYMD+AdpGgMDnQLsH/D8KIOAB4AYgGyA74EhJZmkRQBUAAOOEdEAziQSAFcAqQADA/////////////////////////////////////////38AwP8/AMAAAAEAAEAAABkAAAAAGQAAAAAZAAAABAA=
Edit:Lowest as void and void ridges caused it.
yeah blank ones can crop up... not often though i think! 8)
stumbled upon another one.
BQBl/D4CW0HPLuhoORmEAEoABfcAOAM4ALIaAACAAgCIABAQAAOAYFASQ4AwMACAK2AhYYEUdUAAYALAAGAEYICgCMUoQOCGRlcHBYAPQEAHoAhgFsArIIPrS6wNoA1AIMQGbMBuwAMAE4A7wCbA/////////////////////////////////////////38AwP8/AMAAAAAAAAAAABkAAAAAGQAAAAAZAAAABgA=