<|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:
7.1 7.1 3.1
77 76 25
Li
0.19 0.24 0.56
Cd
0.19 0.24 0.28
Sn
0.19 0.24 0.12
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.1 7.1 3.1
77 76 25
Li
0.19 0.24 0.56
Cd
0.19 0.24 0.28
Sn
0.19 0.24 0.12
Identify the crystal system.