<|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:
5.5 5.5 2.7
103 103 121
Zn
0.00 0.00 0.00
Ag
0.67 0.00 0.00
Os
0.68 0.61 0.20
Os
0.68 0.39 0.20
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.5 5.5 2.7
103 103 121
Zn
0.00 0.00 0.00
Ag
0.67 0.00 0.00
Os
0.68 0.61 0.20
Os
0.68 0.39 0.20
Identify the crystal system.