<|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:
7.3 7.3 7.3
154 139 48
Na
0.00 0.49 0.77
Na
0.63 0.00 0.85
La
0.00 0.00 0.00
W
0.00 0.00 0.62
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.3 7.3 7.3
154 139 48
Na
0.00 0.49 0.77
Na
0.63 0.00 0.85
La
0.00 0.00 0.00
W
0.00 0.00 0.62
Identify the crystal system.