<|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:
5.4 5.4 5.4
59 59 59
K
0.91 0.91 0.91
Hf
0.82 0.82 0.82
Mg
0.00 0.00 0.00
Pb
0.73 0.73 0.73
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.4 5.4 5.4
59 59 59
K
0.91 0.91 0.91
Hf
0.82 0.82 0.82
Mg
0.00 0.00 0.00
Pb
0.73 0.73 0.73
Identify the crystal system.