coin return control means for generating a paying out signal to cause a larger denomination coin to be returned instead of a small denomination coins if, when said coin return signal is generated, 1) a change running out detecting signal from a change running out detecting means corresponding to a smaller denomination coin is generated, 2) said control signal is generated and 3) a change running out detecting {HEAD ~ signal} by {TAIL ~ another} of said change running out detecting means corresponding to a larger denomination coin is not generated 
by
coin return control means for generating a paying out signal to cause a larger denomination coin to be returned instead of a small denomination coins if , when said coin return signal is generated , 1 ) a change running out detecting signal from a change running out detecting means corresponding to a smaller denomination coin is generated , 2 ) said control signal is generated and 3 ) a change running out detecting { HEAD ~ signal } by { TAIL ~ another } of said change running out detecting means corresponding to a larger denomination coin is not generated
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