後面數字 總和 (15331)

C2=-LOOKUP(1,-RIGHT(B2,ROW($1:$9)))

E6=SUM(C:C)

E2{=SUM(RIGHT(SMALL(IFERROR(RIGHT(B2:B16,COLUMN(A:I))*1,)+ROW(1:15)*10^9,ROW(1:15)*9),9)*1)