<|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:
6.8 6.8 6.8
109 109 109
Pr
0.00 0.00 0.00
Co
0.96 0.96 0.04
Co
0.04 0.96 0.96
Co
0.96 0.04 0.96
Co
0.96 0.96 0.96
P
0.76 0.91 0.85
P
0.15 0.00 0.06
P
0.76 0.91 0.15
P
0.15 0.00 0.77
P
0.91 0.85 0.76
P
0.00 0.06 0.15
P
0.91 0.15 0.76
P
0.00 0.77 0.15
P
0.85 0.76 0.91
P
0.06 0.15 0.00
P
0.15 0.76 0.91
P
0.77 0.15 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.8 6.8 6.8
109 109 109
Pr
0.00 0.00 0.00
Co
0.96 0.96 0.04
Co
0.04 0.96 0.96
Co
0.96 0.04 0.96
Co
0.96 0.96 0.96
P
0.76 0.91 0.85
P
0.15 0.00 0.06
P
0.76 0.91 0.15
P
0.15 0.00 0.77
P
0.91 0.85 0.76
P
0.00 0.06 0.15
P
0.91 0.15 0.76
P
0.00 0.77 0.15
P
0.85 0.76 0.91
P
0.06 0.15 0.00
P
0.15 0.76 0.91
P
0.77 0.15 0.00
Identify the crystal system.