<|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:
8.4 8.1 3.2
84 73 22
Tl
0.53 0.77 0.04
Re
0.53 0.77 0.36
Br
0.53 0.77 0.45
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
8.4 8.1 3.2
84 73 22
Tl
0.53 0.77 0.04
Re
0.53 0.77 0.36
Br
0.53 0.77 0.45
Identify the crystal system.