<|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:
9.8 9.8 9.8
18 18 18
Cd
0.00 0.00 0.00
Ag
0.00 0.00 0.63
Ag
0.00 0.00 0.25
Hg
0.00 0.00 0.44
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
9.8 9.8 9.8
18 18 18
Cd
0.00 0.00 0.00
Ag
0.00 0.00 0.63
Ag
0.00 0.00 0.25
Hg
0.00 0.00 0.44
Identify the crystal system.