Design a Turing machine that, given a sequence of a ' s and b ' s on its tape followed by blanks, deletes the first a or b and shifts all the following a ' s and b ' s one position left, and halts The TM starts in state 4 o , with the head at the leftmost of the a ' s and b ' s It is not important where the head winds up at the end, or in what state it halts For example, given initial ID qoaab, it should halt with abBB on its tape, and given initial ID qobabb, it should halt with abbBB on its tape Describe the algorithm of this TM

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Question: Design a Turing machine that, given a sequence of a ' s and b ' s on its tape followed by blanks, deletes the first

Design a Turing machine that, given a sequence of a

'

s and b

'

s on its tape followed by blanks, deletes the first a or b and shifts all the following a

'

s and b

'

s one position left, and halts.

The TM starts in state

4

,

with the head at the leftmost of the a

'

s and b

'

.

It is not important where the head winds up at the end, or in what state it halts. For example, given initial ID qoaab, it should halt with abBB... on its tape, and given initial ID qobabb, it should halt with abbBB... on its tape. Describe the algorithm of this TM

.

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