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; 1.  Set G55 offset
G55

; 2.  Make some moves; execution should be aborted in this section
G0 X0 Y0 Z0
G1 X5 Y-5 F1

; 3.  Interp will read ahead:  set G56 offset and throw a queue buster;
;     execution will never reach this point
G56
M66 P0 L0 (queue buster)

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