<|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:
4.8 4.8 2.7
90 90 109
Na
0.79 0.00 0.00
Mn
0.39 0.96 0.36
Mn
0.39 0.04 0.36
Be
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.8 4.8 2.7
90 90 109
Na
0.79 0.00 0.00
Mn
0.39 0.96 0.36
Mn
0.39 0.04 0.36
Be
0.00 0.00 0.00
Identify the crystal system.