<|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:
3.2 3.2 6.4
90 90 90
Fe
0.61 0.61 0.18
Fe
0.61 0.61 0.23
Tc
0.00 0.00 0.00
Bi
0.00 0.00 0.21
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.2 3.2 6.4
90 90 90
Fe
0.61 0.61 0.18
Fe
0.61 0.61 0.23
Tc
0.00 0.00 0.00
Bi
0.00 0.00 0.21
Identify the crystal system.