@ushort=unpack("S*", $buf); # < Ushort[108456960] == RIGHT Number!
for($ii=0; $ii < scalar @ushort; $ii+=3)  {
	($rr, $gg, $bb) = @ushort[$ii .. $ii+2];  # Array slice
MORONIC>  $bs = $rr | ($gg << 16) | ($bb << 32);  # << WORKS ;(
	$rgb2c{$bs}++;  # Increment count for this color
}