<|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:
5.2 5.2 7.1
105 105 50
Tl
0.90 0.00 0.22
Tl
0.40 0.00 0.60
Hg
0.65 0.00 0.41
Te
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.2 5.2 7.1
105 105 50
Tl
0.90 0.00 0.22
Tl
0.40 0.00 0.60
Hg
0.65 0.00 0.41
Te
0.00 0.00 0.00
Identify the crystal system.