<|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 3.2 7.1
90 90 90
Al
0.00 0.00 0.21
Al
0.62 0.62 0.56
B
0.00 0.00 0.30
Sb
0.62 0.62 0.51
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.2 3.2 7.1
90 90 90
Al
0.00 0.00 0.21
Al
0.62 0.62 0.56
B
0.00 0.00 0.30
Sb
0.62 0.62 0.51
Identify the crystal system.