<|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:
3.3 3.4 4.5
90 90 90
Be
0.00 0.69 0.25
Be
0.00 0.00 0.00
W
0.67 0.69 0.00
Se
0.67 0.00 0.25
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.3 3.4 4.5
90 90 90
Be
0.00 0.69 0.25
Be
0.00 0.00 0.00
W
0.67 0.69 0.00
Se
0.67 0.00 0.25
Identify the crystal system.