<|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:
3.3 4.8 7.4
90 90 90
Na
0.00 0.00 0.39
Na
0.63 0.41 0.82
Y
0.00 0.00 0.94
Zr
0.63 0.41 0.42
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.3 4.8 7.4
90 90 90
Na
0.00 0.00 0.39
Na
0.63 0.41 0.82
Y
0.00 0.00 0.94
Zr
0.63 0.41 0.42
Identify the crystal system.