《新唐书·列传·卷一百四十一》
此时骆元光、韩游瑰屯兵塞边，马燧驻守石州，分兵跨河与元光等成掎角。
于是骆元光、韩游瑰滨塞而屯，而燧次石州，跨河相掎角。
At that time, Luo Yuanguang and Han Yougui led troops to the side of the border and fortified the pass while Ma Sui guarded Shizhou and sent troops to the other side of the river to support Yuanguang and others and to besiege the enemy. 
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 此时骆元光、韩游瑰屯兵塞边，马燧驻守石州，分兵跨河与元光等成掎角。 [/INST] 于是骆元光、韩游瑰滨塞而屯，而燧次石州，跨河相掎角。</s>
Convert the following modern Chinese text into Classical Chinese: 此时骆元光、韩游瑰屯兵塞边，马燧驻守石州，分兵跨河与元光等成掎角。
user
于是骆元光、韩游瑰滨塞而屯，而燧次石州，跨河相掎角。
assistant