The output signal GH of the latch 20, therefore, represents the binary state of the input signal at the beginning of the counting interval and the output signal GL of the latch 22 represents {HEAD ~ the binary state} of {TAIL ~ the input signal} at the end of the counting interval 
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The output signal GH of the latch 20 , therefore , represents the binary state of the input signal at the beginning of the counting interval and the output signal GL of the latch 22 represents { HEAD ~ the binary state } of { TAIL ~ the input signal } at the end of the counting interval
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH