<|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:
7.2 6.9 3.3
81 71 27
Ca
0.85 0.76 0.09
Ti
0.85 0.76 0.25
Cl
0.85 0.76 0.96
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.2 6.9 3.3
81 71 27
Ca
0.85 0.76 0.09
Ti
0.85 0.76 0.25
Cl
0.85 0.76 0.96
Identify the crystal system.