<|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:
4.5 4.5 2.7
90 90 108
Mn
0.33 0.83 0.36
Mn
0.33 0.17 0.36
Al
0.00 0.00 0.00
Os
0.65 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.5 4.5 2.7
90 90 108
Mn
0.33 0.83 0.36
Mn
0.33 0.17 0.36
Al
0.00 0.00 0.00
Os
0.65 0.00 0.00
Identify the crystal system.