<|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:
6.6 6.4 2.8
81 73 25
Ta
0.67 0.29 0.03
Si
0.67 0.29 0.19
Mo
0.67 0.29 0.12
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.6 6.4 2.8
81 73 25
Ta
0.67 0.29 0.03
Si
0.67 0.29 0.19
Mo
0.67 0.29 0.12
Identify the crystal system.