<|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:
6.4 6.4 6.3
117 117 32
Ba
0.57 0.00 0.63
Re
0.76 0.00 0.37
Bi
0.15 0.00 0.53
Bi
0.36 0.00 0.37
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.4 6.4 6.3
117 117 32
Ba
0.57 0.00 0.63
Re
0.76 0.00 0.37
Bi
0.15 0.00 0.53
Bi
0.36 0.00 0.37
Identify the crystal system.