I'mma double recommend Nicole's webinar. Or honestly, just any consistent system of annotating. That's gonna definitely help to build your confidence and that's clutch under pressure.
Hi, I've posted how I did this game here. I didn't use double layer but by this method, the questions were still really easy.
https://7sage.com/discussion/#/discussion/8642/pt68-section-4-game-4-alternative-approach
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So with rules, in double layer sq games you'll ... lead you to making a double layer making sure that you ... question in the game) a double layer sq game might look ...