<|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:
5.3 5.3 5.3
145 128 63
Ti
0.00 0.00 0.32
Mn
0.55 0.00 0.23
Nb
0.00 0.00 0.16
Nb
0.00 0.28 0.27
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.3 5.3 5.3
145 128 63
Ti
0.00 0.00 0.32
Mn
0.55 0.00 0.23
Nb
0.00 0.00 0.16
Nb
0.00 0.28 0.27
Identify the crystal system.