<|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:
6.3 6.3 6.3
154 133 54
Na
0.00 0.00 0.00
Ta
0.00 0.51 0.31
Ta
0.40 0.00 0.32
As
0.00 0.00 0.63
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.3 6.3 6.3
154 133 54
Na
0.00 0.00 0.00
Ta
0.00 0.51 0.31
Ta
0.40 0.00 0.32
As
0.00 0.00 0.63
Identify the crystal system.