In accordance with , {HEAD ~ HDD} 20 are preferentially connected to {TAIL ~ row} 3 among rows 1 to 3 and then HDD 20 are preferentially connected to row 2 
are preferentially connected to
In accordance with , { HEAD ~ HDD } 20 are preferentially connected to { TAIL ~ row } 3 among rows 1 to 3 and then HDD 20 are preferentially connected to row 2
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH