{HEAD ~ The floor panel} 18, wherein {TAIL ~ said locking surface} of the recess is located in the portion of said lower lip at an area that is disposed distally beyond said upper lip 
wherein
{ HEAD ~ The floor panel } 18 , wherein { TAIL ~ said locking surface } of the recess is located in the portion of said lower lip at an area that is disposed distally beyond said upper lip
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH