( @   @@0ppRRRRRRRRRRRR RRRRRRRRRRRRR`RRRRRRRRRRRRRR0` 00RRRRRR@R@RPRRRRRRRRRRRRRRRRPRRRRRRRRRRPPRRRRRR R`RRRRR`@RRRRRRRRRRRRR0RRRRRRRRRRRR0`RRRRRRRRRRRRR0@RRRRRR0RRRRRRRRRRRRRRRR RRRRRR RRRRR@P@@PRRRRRRRRRRRRRR 0RRRRRRRRRRRRRPRRRRRRRRRRRRR`@RRRRRRRRRRR`σ