<|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:
3.4 3.4 8.2
90 90 90
K
0.00 0.00 0.79
Cu
0.00 0.00 0.50
Cu
0.69 0.69 0.26
Bi
0.69 0.69 0.69
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.4 3.4 8.2
90 90 90
K
0.00 0.00 0.79
Cu
0.00 0.00 0.50
Cu
0.69 0.69 0.26
Bi
0.69 0.69 0.69
Identify the crystal system.