In addition to considering which portions of {TAIL ~ NAND memory} are free, {HEAD ~ such a determination} may be based, at least in part, on wear leveling and bad block information, among other things 
In addition to considering which portions of { TAIL ~ NAND memory } are free , { HEAD ~ such a determination } may be based , at least in part , on wear leveling and bad block information , among other things
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH