<|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:
9.7 9.7 9.7
19 19 19
Y
0.00 0.00 0.00
Hg
0.00 0.00 0.91
Hg
0.00 0.00 0.63
Ru
0.00 0.00 0.27
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
9.7 9.7 9.7
19 19 19
Y
0.00 0.00 0.00
Hg
0.00 0.00 0.91
Hg
0.00 0.00 0.63
Ru
0.00 0.00 0.27
Identify the crystal system.