data='{"sampled_actions": [[0.1, -0.3, 0.05, 0.8], ...]}'
Number (2): Everything in this space must add up to 2. The answer is 2-1, placed horizontally.
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^ OBG Ltd. v. Allan [2007] UKHL 21, [233], [2008] 1 AC (HL) (appeal taken from Eng.).
Comparison of error-diffusion vs ordered dithering using an 8-colour irregular palette. Left to right: original image, error-diffusion, ordered.