For example a large cell of each primary color and {HEAD ~ black} can be placed in {TAIL ~ the four corners} 
For example a large cell of each primary color and { HEAD ~ black } can be placed in { TAIL ~ the four corners }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL