<|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:
4.8 4.8 7.2
107 107 56
Tl
0.30 0.00 0.27
Tl
0.66 0.00 0.49
Cd
0.98 0.00 0.38
Se
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.8 4.8 7.2
107 107 56
Tl
0.30 0.00 0.27
Tl
0.66 0.00 0.49
Cd
0.98 0.00 0.38
Se
0.00 0.00 0.00
Identify the crystal system.