<|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:
5.4 5.4 5.4
137 137 61
Y
0.00 0.00 0.13
Te
0.00 0.00 0.25
Pt
0.00 0.00 0.09
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.4 5.4 5.4
137 137 61
Y
0.00 0.00 0.13
Te
0.00 0.00 0.25
Pt
0.00 0.00 0.09
Identify the crystal system.