<|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:
3.4 3.4 8.7
90 90 119
Hf
0.00 0.00 0.35
Hf
0.69 0.98 0.88
Hf
0.69 0.98 0.81
As
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.4 3.4 8.7
90 90 119
Hf
0.00 0.00 0.35
Hf
0.69 0.98 0.88
Hf
0.69 0.98 0.81
As
0.00 0.00 0.00
Identify the crystal system.