<|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:
5.1 5.1 5.1
146 146 47
Al
0.00 0.00 0.24
Cr
0.00 0.00 0.05
Ru
0.00 0.00 0.22
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.1 5.1 5.1
146 146 47
Al
0.00 0.00 0.24
Cr
0.00 0.00 0.05
Ru
0.00 0.00 0.22
Identify the crystal system.