Please note that this is the notes for the right hand only.
↑ before note means move up one octave while ↓ means move down one octave, else then stay at the same octave.
# after note means move half step higher so C# means play the black key after the white C key and we call it C Sharp.
b after note means move half step lower so Bb means play the black key before the B white key and we call it B Flat.