<|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:
5.4 5.4 5.4
134 134 66
Hf
0.00 0.00 0.53
Hf
0.00 0.10 0.26
Mg
0.00 0.00 0.00
Au
0.10 0.00 0.26
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.4 5.4 5.4
134 134 66
Hf
0.00 0.00 0.53
Hf
0.00 0.10 0.26
Mg
0.00 0.00 0.00
Au
0.10 0.00 0.26
Identify the crystal system.