<|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:
5.1 5.1 5.1
59 59 59
U
0.36 0.36 0.36
U
0.79 0.79 0.79
Tl
0.57 0.57 0.57
Ru
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.1 5.1 5.1
59 59 59
U
0.36 0.36 0.36
U
0.79 0.79 0.79
Tl
0.57 0.57 0.57
Ru
0.00 0.00 0.00
Identify the crystal system.