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A Digital Watermark Shifts Individual Text Characters from the Home

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A digital watermark shifts individual text characters from the home position.The shift can be zero, one unit to the left or right, or one unit up or down.If 600,000,000 different watermarks are desired, the number of characters required is _______.


Definitions:

Spermatozoa

Male reproductive cells, or sperm, responsible for fertilizing the female ovum.

Cryptorchidism

A condition where one or both of the testes fail to descend from the abdomen into the scrotum in male infants.

Balanitis

Inflammation of the head (glans) of the penis, often due to infection.

Glans Penis

The sensitive bulbous structure at the distal end of the penis.

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