<|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:
8.6 8.6 3.7
100 100 24
Ga
0.00 0.00 0.00
Se
0.01 0.00 0.81
Se
0.05 0.00 0.72
Se
0.97 0.00 0.91
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
8.6 8.6 3.7
100 100 24
Ga
0.00 0.00 0.00
Se
0.01 0.00 0.81
Se
0.05 0.00 0.72
Se
0.97 0.00 0.91
Identify the crystal system.