<|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:
5.6 5.6 5.6
149 149 43
Cr
0.00 0.00 0.69
Co
0.00 0.00 0.22
Sn
0.00 0.00 0.88
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.6 5.6 5.6
149 149 43
Cr
0.00 0.00 0.69
Co
0.00 0.00 0.22
Sn
0.00 0.00 0.88
Identify the crystal system.