<|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:
5.5 5.5 5.7
90 90 137
Dy
0.01 0.00 0.26
Dy
0.01 1.00 0.42
Al
0.00 0.00 0.84
Al
0.00 0.00 0.00
Si
0.01 0.03 0.26
Si
0.01 0.97 0.42
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.5 5.5 5.7
90 90 137
Dy
0.01 0.00 0.26
Dy
0.01 1.00 0.42
Al
0.00 0.00 0.84
Al
0.00 0.00 0.00
Si
0.01 0.03 0.26
Si
0.01 0.97 0.42
Identify the crystal system.