<|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:
5.3 5.3 3.1
91 91 108
Ti
0.00 0.00 0.00
Cd
0.13 0.00 0.00
Hg
0.51 0.16 0.57
Hg
0.51 0.84 0.57
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.3 5.3 3.1
91 91 108
Ti
0.00 0.00 0.00
Cd
0.13 0.00 0.00
Hg
0.51 0.16 0.57
Hg
0.51 0.84 0.57
Identify the crystal system.