<|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:
6.6 6.6 6.6
142 142 53
Tl
0.10 0.00 0.94
Ag
0.00 0.00 0.88
Cl
0.00 0.10 0.94
Cl
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.6 6.6 6.6
142 142 53
Tl
0.10 0.00 0.94
Ag
0.00 0.00 0.88
Cl
0.00 0.10 0.94
Cl
0.00 0.00 0.00
Identify the crystal system.