Need code for this EMA

Algos, strategies, code
1

PI Code for the following

Close of Last Bar > Close of Prev Bar > 20 EMA > 50 EMA > 100 EMA

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2

For the above condition

RREF(CLOSE,1)>REF(CLOSE,2) AND EMA(CLOSE,20)>EMA(CLOSE,50) AND EMA(CLOSE,50)>EMA(CLOSE,100)