Women's Murder Club - Death In Scarlet

Investigation 3  Brown Bottles:
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Submitted by: RM

* 4th minus 3rd bottles = - 21
* 3rd minus 5th bottles = 10
* 1st minus 4th bottles = 14
* 2nd minus 1st bottles = 4
* 5th minus 2nd bottles = -7
* Bottles 22, 1, 19, 12 & 15
* 22  12 = 10 therefore Bottle 3 is 22 and Bottle 5 is 12
* if Bottle 5 is #12 then 12  x = -7
* 12  19 = -7 therefore Bottle 2 is 19
* if Bottle 2 is #19 then 19  x = 4
* 19  15 = 4 therefore Bottle 1 is 15 leaving only one number
  that could be Bottle 4 Chronicle Office.