Indicator and Scanner Requried

Indicator Requriments 
 
1 buy condition

2 first candle should be bearish and second candle low should be below first candle low
 3 second candle close should be below (first candle high + low / 2 + 0.50 and above first candle low )
 4 third candle close should be above first candle high or equivalent
5. there should be all alerts
 

 1 sell condition
 2 first candle should be bullish and second candle high should be above first candle high
 3 second candle close should be above (first candle high + low / 2 - 0.50 and below first candle high )
 4 third candle close should be below first candle low or equivalent
  
 
Scanner Requriments