<|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:
6.1 6.1 6.1
59 59 59
Rb
0.00 0.00 0.00
Ba
0.30 0.30 0.30
Pb
0.15 0.15 0.15
Pb
0.44 0.44 0.44
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.1 6.1 6.1
59 59 59
Rb
0.00 0.00 0.00
Ba
0.30 0.30 0.30
Pb
0.15 0.15 0.15
Pb
0.44 0.44 0.44
Identify the crystal system.