<|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:
6.2 6.2 6.2
140 140 57
Ti
0.00 0.14 0.73
Ti
0.00 0.00 0.00
Bi
0.14 0.00 0.73
Pb
0.00 0.00 0.47
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.2 6.2 6.2
140 140 57
Ti
0.00 0.14 0.73
Ti
0.00 0.00 0.00
Bi
0.14 0.00 0.73
Pb
0.00 0.00 0.47
Identify the crystal system.