<|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:
5.7 5.7 5.2
109 109 43
La
0.19 0.00 0.64
Sn
0.00 0.00 0.29
Sn
0.49 0.00 0.27
As
0.34 0.00 0.12
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.7 5.7 5.2
109 109 43
La
0.19 0.00 0.64
Sn
0.00 0.00 0.29
Sn
0.49 0.00 0.27
As
0.34 0.00 0.12
Identify the crystal system.