<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following crystal representation:
4.9 4.9 4.9
135 135 65
Be
0.00 0.00 0.00
Ag
0.00 0.00 0.09
Ru
0.85 0.00 0.05
Ru
0.00 0.85 0.05
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 4.9
135 135 65
Be
0.00 0.00 0.00
Ag
0.00 0.00 0.09
Ru
0.85 0.00 0.05
Ru
0.00 0.85 0.05
Identify the crystal system.