Full candle body and wick crossing 50 ema

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Here is the code. Screenshot below shows the result.

input length = 50;
input averageType = AverageType.EXPONENTIAL;
plot ma = MovingAverage(averageType, close, length);
def fullCandleAbove = low > ma;
def fullCandleBelow = high < ma;
def signalLong = fullCandleAbove[1] and !fullCandleAbove[2];
def signalShort = fullCandleBelow[1] and !fullCandleBelow[2];
AddChartBubble(signalLong[-1], high, "Long", Color.CYAN, yes);
AddChartBubble(signalShort[-1], low, "Short", Color.MAGENTA, no);