i need information on how a deck belt goes on?

i have a huskee 1998 21.0 horsepower 46" cut 3 blade system. model#13at688h731 serial#1b1q4b30026000 i bought a belt the one that's suppose to fit it and it seems like it's to big i need to know how to put it on i have a part#954-0440 belt could show me how it goes around the blade pulleys and idler pulleys any help would be appreciated.