923

-586

(a)  

473

809

(a)  

643

-259

(a)  

286

701

(a)  

539

-128

(a)  

704

641

(a)  

857

-362

(a)  

398

140

(a)  

906

-752

(a)  

140

897

(a)  

562

-403

(a)  

762

158

(a)  

890

-363

(a)  

214

957

(a)