Power Query Extraire chiffre en fonction de leur position power query

let
A = Excel.CurrentWorkbook(){[Name="Table1"]}[Content],
B = Table.TransformColumns(A, {"Column1", each
[
a = Text.Split(_," "),
b = List.PositionOf(List.Transform(a, (x)=> Text.Length(x)), 7, Occurrence.Last),
c  = List.Range(a,b + 1, 2),
d  = if Text.Length(c{0}) = 1 then Text.Combine(c, " ") else c{0}
] [d]
})
in
B