<|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:
8.7 8.7 8.7
20 20 20
Tc
0.00 0.00 0.00
Te
0.00 0.00 0.79
P
0.00 0.00 0.67
P
0.00 0.00 0.91
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
8.7 8.7 8.7
20 20 20
Tc
0.00 0.00 0.00
Te
0.00 0.00 0.79
P
0.00 0.00 0.67
P
0.00 0.00 0.91
Identify the crystal system.