coil 4x9 18
N1 D4 E3 U4 N1 U4 W3 D4 N1 D4 E3 U4 N1 U4 W3 D4 N1 D4 E3 U4 N1 U4 W3 D4 N1 D4 E3 U4 N1 U4 W3 D4 N1 D4 E3 U4 N1 U4 W3 D4 N1 D4 E3 U4 N1 U4 W3 D4 N1 D4 E3 U4 N1 U4 W3 D4 N1 D4 E3 U4 N1
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