Here is the image of my Russian phonetic layout
Symbol 'number' - ¹ - that a Standard Russian layout has, can be obtained on Phonetic layout,
Symbol currency Euro - via a combination of buttons
Here is the image of the 1st additional variant I offer. It differs from the main one only
by assignments for Russian letters 'Æ' and 'Â'.
This variant of Phonetic layout is usually called "YaZHert", because Russian 'Æ' is assigned to 'W':
Here is the image of the 2nd additional variant I offer. It's called "Student" and is also widely used: