a |> w(%) |> w(%) |> w(%) |> w(%) |> w(%) |> w(%) |> w(%) |> w(%) |> w(%) |> w(%);
a |> b(%, a |> b(%, a |> b(%, a |> b(%, a |> b(%, a |> b(%, a |> b(%, b)))))));
a |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a) |> b(%, a);
b(b(b(b(a, a, a), a, a), a, a), a, a);