According to Trade ATS, the B signals are not really good, the highest R:R ratio can be achieved much more often with the A signals. I only use the liquidity lines, because I don't really know what to do with an alarm for the Minor and Major Expansion Box. It comes to the expansion phase where the candles oscillate around the expansion line. So on a M30 chart you have to watch the chart progression for a longer while.
Here's what ATS suggested in a video too:
