<|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:
3.5 5.7 5.2
90 90 90
Mg
0.00 0.00 0.11
Mg
0.73 0.85 0.13
Tl
0.73 0.00 0.50
Tl
0.00 0.85 0.74
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.5 5.7 5.2
90 90 90
Mg
0.00 0.00 0.11
Mg
0.73 0.85 0.13
Tl
0.73 0.00 0.50
Tl
0.00 0.85 0.74
Identify the crystal system.