<|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:
6.1 6.1 6.1
154 154 37
Li
0.00 0.00 0.70
Cu
0.00 0.00 0.55
Ge
0.00 0.00 0.96
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.1 6.1 6.1
154 154 37
Li
0.00 0.00 0.70
Cu
0.00 0.00 0.55
Ge
0.00 0.00 0.96
Identify the crystal system.