<|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:
8.3 8.3 8.3
22 22 22
Sn
0.00 0.00 0.00
Sb
0.00 0.00 0.21
Ru
0.00 0.00 0.35
Ru
0.00 0.00 0.06
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
8.3 8.3 8.3
22 22 22
Sn
0.00 0.00 0.00
Sb
0.00 0.00 0.21
Ru
0.00 0.00 0.35
Ru
0.00 0.00 0.06
Identify the crystal system.