When your on an unknown pattern the only thing you can do is throw your normal shot with a ball you know and make you adjustments from there. Seeing that it's a 37ft patter with a 3 to 1 you may have to play just right of the track area to start depending on what ball you have.
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Soon to be Midwest Region PBA member
USBC Certified Coach
"Anyone can throw a strike but good bowlers make spares"