<|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:
5.9 5.9 5.9
145 145 49
Ca
0.00 0.00 0.01
Zn
0.00 0.00 0.40
Ge
0.00 0.00 0.29
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.9 5.9 5.9
145 145 49
Ca
0.00 0.00 0.01
Zn
0.00 0.00 0.40
Ge
0.00 0.00 0.29
Identify the crystal system.