It depends if you are looking for a buying or selling opportunity on the EURJPY. Traders who are looking for shorting opportunities could wait for a Bearish Shark Pattern retest at 145.31.
If you are looking for a buying opportunity, the Bullish Gartley Pattern on the Trendline that completes at around 141.63for a buying.
If you have no issues trading both ends, you wait for the confirmation to happen before engaging the trade that will bring 368pips of potential profits trading on both sides.