<|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:
3.7 3.7 9.7
90 90 90
Ca
0.87 0.87 0.19
Ca
0.00 0.00 0.43
La
0.87 0.87 0.42
Al
0.00 0.00 0.30
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.7 3.7 9.7
90 90 90
Ca
0.87 0.87 0.19
Ca
0.00 0.00 0.43
La
0.87 0.87 0.42
Al
0.00 0.00 0.30
Identify the crystal system.