<|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:
4.2 4.2 4.2
118 118 92
Si
0.00 0.00 0.00
B
0.15 0.00 0.45
B
0.00 0.15 0.45
Sb
0.00 0.00 0.90
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.2 4.2 4.2
118 118 92
Si
0.00 0.00 0.00
B
0.15 0.00 0.45
B
0.00 0.15 0.45
Sb
0.00 0.00 0.90
Identify the crystal system.