Also provided is an irregular shaped substrate comprising a substrate having a perimeter with at least one rounded corner and wherein {HEAD ~ the perimeter} does not substantially form {TAIL ~ a square} 
not substantially form
Also provided is an irregular shaped substrate comprising a substrate having a perimeter with at least one rounded corner and wherein { HEAD ~ the perimeter } does not substantially form { TAIL ~ a square }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL