In some embodiments, the second voltage value is different than {HEAD ~ the first voltage value} and {TAIL ~ the second voltage value} is adjusted by increasing a source line SL voltage value 
In some embodiments , the second voltage value is different than { HEAD ~ the first voltage value } and { TAIL ~ the second voltage value } is adjusted by increasing a source line SL voltage value
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH