起迄號 依標註 (12555)

E2{=INDEX(B:B,SMALL(IF((C$1:C$16="")*(C$2:C$17<>""),ROW($2:$17),99),ROW(A1)))&""

F2{=INDEX(B:B,SMALL(IF((C$2:C$16<>"")*(C$3:C$17=""),ROW($2:$16),99),ROW(A1)))&""



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