<|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:
8.8 8.8 8.8
19 19 19
Hf
0.00 0.00 0.06
Si
0.00 0.00 0.00
Si
0.00 0.00 0.66
Mo
0.00 0.00 0.24
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
8.8 8.8 8.8
19 19 19
Hf
0.00 0.00 0.06
Si
0.00 0.00 0.00
Si
0.00 0.00 0.66
Mo
0.00 0.00 0.24
Identify the crystal system.