Complex sentence: Previously, an unofficial symbol depicting 11 rings forming a red circle was used on the logos of the 2003 ASEAN Para Games and 2005 ASEAN Para Games which resembled the red colour version of the Southeast Asian Games Federation logo.
Split into simpler sentences: Previously, an unofficial symbol depicting 11 rings forming a red circle was used on the logos of the 2003 ASEAN Para Games and 2005 ASEAN Para Games. It resembled the red colour version of the Southeast Asian Games Federation logo.