<|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:
3.7 3.7 5.7
90 90 90
Al
0.00 0.00 0.21
V
0.85 0.85 0.90
Sn
0.85 0.85 0.61
Sn
0.00 0.00 0.57
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.7 3.7 5.7
90 90 90
Al
0.00 0.00 0.21
V
0.85 0.85 0.90
Sn
0.85 0.85 0.61
Sn
0.00 0.00 0.57
Identify the crystal system.