Alice wants to send a length 9 message to Bob. There are two communication channels available to her: Channel A and Channel B. When n packets are fed through Channel A, only 6 packets, picked arbitrarily, are delivered. Similarly, Channel B will only deliver 6 packets, picked arbitrarily, but it will also corrupt (change the value) of one of the delivered packets. Each channel will only work if at least 10 packets are sent through it. Required:
Using each of the two channels once, provide a way for Alice to send her message to Bob so that he can always reconstruct it.