&nb4?
&nb1??50002000??
&nb2?160?
&nb3λ2000g?
&nb4?
&nb1??50002000??[[gl]]&nb??152
&nb2?160?
&nb3λ2000g?
&nb4?
&nb1??50002000??
&nb2?160?
&nb3λ2000g?
&nb4?
&nb1??50002000??
&nb2?160?
&nb3λ2000g?
&nb4??