<|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:
7.8 7.8 7.8
59 59 59
K
0.00 0.00 0.00
Sr
0.91 0.91 0.15
Sr
0.91 0.15 0.91
Sr
0.15 0.91 0.91
Sr
0.15 0.15 0.15
Cu
0.29 0.29 0.29
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.8 7.8 7.8
59 59 59
K
0.00 0.00 0.00
Sr
0.91 0.91 0.15
Sr
0.91 0.15 0.91
Sr
0.15 0.91 0.91
Sr
0.15 0.15 0.15
Cu
0.29 0.29 0.29
Identify the crystal system.