,---------------------------------------.
    | Back  | Num   | /     | *     | -     |
    | Space | Lock  |       |       |       |
    |-------+-------+-------+-------+-------|
    | Layer | 7     | 8     | 9     | +     |
    | Up    | Home  | Up    | PgUp  |       |
    |-------+-------+-------+-------|       |
    | Layer | 4     | 5     | 6     |       |
    | Down  | Left  |       | Right |       |
    |-------+-------+-------+-------+-------|
    | Page  | 1     | 2     | 3     | Enter |
    | Up    | End   | Down  | PgDn  |       |
    |-------+-------+-------+-------|       |
    | Page  | 00    | 0     | .     |       |
    | Down  |       |       |       |       |
    `---------------------------------------'