Hmm neither of these seemed to do much
O=LAST
#P=Deblock_QED(quant1=48,aOff1=24,bOff1=24,aOff2=24,bOff2=24,uv=-1)
P=Deblock(quant=51,aOffset=24,bOffset=24)
dcwbox8(O,"original",P,"deblocked") # slice O and P into 8x8 and splice into O/P/O/P/O/P/O/P vert and horiz, label each splice, and present as single composite frames