Trigger For greyhound With Staking Plan

i have requested trigger yesterday for greyhound lay , i need modification on it , problem i did not explain it correctly ,

Selection Rules :

Market : greyhound win market
Rules : lay bet on favorite is price is below 2.41 at 30 seconds before race start

Staking Rules :
Double the lay amount after a win, reset to default lay amount after 2 wins in a row or after loss,

example :
Starting layamount : 4
1-> Lay $4 ->Win
2-> Lay $8 -> Win
3-> Lay $4 -> Win
4-> Lay $8 -> loss
5-> Lay $4 -> Win
6-> Lay $8 -> Win
7-> Lay $4 -> loss
8-> Lay $4 -> loss
9-> Lay $4 -> Win

...................

Hope now i clearly explained

Hello,

Please see your triggers attached. You can set the maximum price for the favourite, the multiplier of the staking plan and the length of the sequence.

First try in test mode.