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The Minesweeper Kata

You can find the details of this Kata at Minesweeper Kata. The task is to calculate the number of adjacent mines for each field on a Minesweeper board.

Suggested Test Cases

Those are meant for acceptance tests, not steps in TDD!

Input

4 4
*...
....
.*..
....
3 5
**...
.....
.*...
0 0

Output

Field #1:
*100
2210
1*10
1110

Field #2:
**100
33200
1*100

Remember:

  • Do TDD.
  • Do one requirement at a time, don’t read ahead.
  • Test first, there is no try.

Task

Provide the following function

func FindBombs(reader io.Reader, writer io.Writer)

Read the input from the reader and output the results to the writer.

Requirements

  1. The method takes a single integer parameter
  2. and returns the prime factors of this integer in numerical order.