缺失的编号與數字最大值 (12446)

B2{=IFERROR(SMALL(IF(MMULT(COLUMN(A:J)^0,1-ISERR(FIND(","&COLUMN(A:T)&",",","&A$2:A$11&",")))=0,COLUMN(A:T)),ROW(A1)),"")

C2{=MAX((1-ISERR(FIND(","&COLUMN(A:T)&",",","&A$2:A$11&",")))*COLUMN(A:T))