<|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:
2.9 2.9 8.1
90 90 90
Sn
0.00 0.00 0.00
Pd
0.46 0.46 0.90
Pd
0.46 0.46 0.18
W
0.00 0.00 0.04
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.9 2.9 8.1
90 90 90
Sn
0.00 0.00 0.00
Pd
0.46 0.46 0.90
Pd
0.46 0.46 0.18
W
0.00 0.00 0.04
Identify the crystal system.