At block 440, {TAIL ~ such ECC} may be written to a spare area of NAND memory while {HEAD ~ associated information} may be written to a main area of NAND memory 
At block 440 , { TAIL ~ such ECC } may be written to a spare area of NAND memory while { HEAD ~ associated information } may be written to a main area of NAND memory
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH