-3/8*((0-9/8)*64/512 + (1-9/8)*144/512 + (2-9/8)*108/512 + (3-9/8)*27/512) + (1-3/8)((0-9/8)*48/512 + (1-9/8)*72/512 + (2-9/8)*27/512) + (2-3/8)((0-9/8)*12/512 + (1-9/8)*9/512)+(3-3/8)((0-9/8)*1/512)

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