<|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:
3.6 3.6 6.1
90 90 90
Hf
0.79 0.79 0.21
As
0.00 0.00 0.24
Au
0.79 0.79 0.21
Au
0.00 0.00 0.48
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.6 3.6 6.1
90 90 90
Hf
0.79 0.79 0.21
As
0.00 0.00 0.24
Au
0.79 0.79 0.21
Au
0.00 0.00 0.48
Identify the crystal system.