how to filter some abnormal bar?

[Fa Cao]

the bars like below picture shows; most time I want to get bar A rather than bar B;but use iLowest(), it is easily to get bar B; so how get bar A?

[Tjipke de Vries]

vx0532:

the bars like below picture shows; most time I want to get bar A rather than bar B;but use iLowest(), it is easily to get bar B; so how get bar A?

what is it that you know about bar A ????

[William Roeder]

vx0532: most time I want to get bar A rather than bar B;but use iLowest(), it is easily to get bar B; so how get bar A?

Copy the Low[] values to a temporary array except for Low[B] then use ArrayMinimum