Neighbours on a Numpad

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Problem

Given a positive digit, output the number of its (von Neumann) neighbours on a numpad (ignoring 0).

-- mender

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Sample input:_

7

Sample output:

2

Sample input:_

1
9
3
7
4
2
6
8
5

Sample output:

2
2
2
2
3
3
3
3
4

Sample input:_

6
1
9
5
8
3
6
1
2
4
6
8
5
2
7
8
2
2
1
5

Sample output:

3
2
2
4
3
2
3
2
3
3
3
3
4
3
2
3
3
3
2
4

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