N:=5;
boll:=MA(CLOSE,N);
UB:=BOLL+2*STD(CLOSE,N);
LB:=BOLL-2*STD(CLOSE,N);
BOLL =REF(BOLL,1) AND C =BOLL AND L =BOLL;

N:=5;
boll:=MA(CLOSE,N);
UB:=BOLL+2*STD(CLOSE,N);
LB:=BOLL-2*STD(CLOSE,N);
BOLL =REF(BOLL,1) AND C =BOLL AND L =BOLL;

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