<|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:
3.7 3.7 6.4
90 90 90
Hf
0.85 0.85 0.58
Hf
0.00 0.00 0.22
Hf
0.85 0.85 0.86
Sn
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.7 3.7 6.4
90 90 90
Hf
0.85 0.85 0.58
Hf
0.00 0.00 0.22
Hf
0.85 0.85 0.86
Sn
0.00 0.00 0.00
Identify the crystal system.