<|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:
2.6 3.0 6.9
90 90 90
Ga
0.00 0.00 0.45
Si
0.32 0.49 0.67
Si
0.32 0.49 0.22
B
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.6 3.0 6.9
90 90 90
Ga
0.00 0.00 0.45
Si
0.32 0.49 0.67
Si
0.32 0.49 0.22
B
0.00 0.00 0.00
Identify the crystal system.