As per the above given condition
Buy Script:
CROSSOVER(EMA(CLOSE,14),EMA(CLOSE,3)) AND CROSSOVER(EMA(CLOSE,21),EMA(CLOSE,7))
Sell Script:
CROSSOVER(EMA(CLOSE,3),EMA(CLOSE,14)) AND CROSSOVER(EMA(CLOSE,7),EMA(CLOSE,21))
As per the above given condition
Buy Script:
CROSSOVER(EMA(CLOSE,14),EMA(CLOSE,3)) AND CROSSOVER(EMA(CLOSE,21),EMA(CLOSE,7))
Sell Script:
CROSSOVER(EMA(CLOSE,3),EMA(CLOSE,14)) AND CROSSOVER(EMA(CLOSE,7),EMA(CLOSE,21))