<|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:
7.6 7.4 3.0
81 75 22
Ta
0.77 0.43 0.95
Tl
0.77 0.43 0.67
Au
0.77 0.43 0.33
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.6 7.4 3.0
81 75 22
Ta
0.77 0.43 0.95
Tl
0.77 0.43 0.67
Au
0.77 0.43 0.33
Identify the crystal system.