<|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:
4.5 4.5 4.5
132 132 69
Be
0.00 0.81 0.84
Be
0.81 0.00 0.84
Co
0.00 0.00 0.00
Sn
0.00 0.00 0.68
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.5 4.5 4.5
132 132 69
Be
0.00 0.81 0.84
Be
0.81 0.00 0.84
Co
0.00 0.00 0.00
Sn
0.00 0.00 0.68
Identify the crystal system.