<|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:
3.2 4.5 6.7
90 90 90
Ca
0.58 0.27 0.02
Ca
0.58 0.27 0.72
Sb
0.00 0.00 0.00
W
0.00 0.00 0.37
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.2 4.5 6.7
90 90 90
Ca
0.58 0.27 0.02
Ca
0.58 0.27 0.72
Sb
0.00 0.00 0.00
W
0.00 0.00 0.37
Identify the crystal system.