<|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:
3.8 3.8 3.4
90 90 90
Mg
0.00 0.00 0.00
Be
0.91 0.00 0.72
Be
0.00 0.91 0.72
Pt
0.91 0.91 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.8 3.8 3.4
90 90 90
Mg
0.00 0.00 0.00
Be
0.91 0.00 0.72
Be
0.00 0.91 0.72
Pt
0.91 0.91 0.00
Identify the crystal system.