<|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:
4.2 4.2 4.2
59 59 59
Fe
0.49 0.49 0.49
Si
0.00 0.00 0.00
Br
0.48 0.48 0.48
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.2 4.2 4.2
59 59 59
Fe
0.49 0.49 0.49
Si
0.00 0.00 0.00
Br
0.48 0.48 0.48
Identify the crystal system.