<|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:
8.3 8.3 5.3
90 90 90
Ba
0.93 0.77 0.60
Ba
0.38 0.53 0.60
Ba
0.77 0.38 0.68
Ba
0.53 0.93 0.68
Cu
0.00 0.00 0.00
Cu
0.15 0.15 0.00
Si
0.28 0.12 0.13
Si
0.03 0.18 0.13
Si
0.12 0.03 0.15
Si
0.18 0.28 0.15
O
0.15 0.00 0.69
O
0.68 0.66 0.85
O
0.81 0.53 0.85
O
0.49 0.78 0.85
O
0.63 0.65 0.85
O
0.12 0.03 0.47
O
0.18 0.27 0.47
O
0.27 0.12 0.81
O
0.03 0.18 0.81
O
0.66 0.63 0.44
O
0.53 0.49 0.44
O
0.78 0.81 0.44
O
0.65 0.68 0.44
O
0.00 0.15 0.59
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
8.3 8.3 5.3
90 90 90
Ba
0.93 0.77 0.60
Ba
0.38 0.53 0.60
Ba
0.77 0.38 0.68
Ba
0.53 0.93 0.68
Cu
0.00 0.00 0.00
Cu
0.15 0.15 0.00
Si
0.28 0.12 0.13
Si
0.03 0.18 0.13
Si
0.12 0.03 0.15
Si
0.18 0.28 0.15
O
0.15 0.00 0.69
O
0.68 0.66 0.85
O
0.81 0.53 0.85
O
0.49 0.78 0.85
O
0.63 0.65 0.85
O
0.12 0.03 0.47
O
0.18 0.27 0.47
O
0.27 0.12 0.81
O
0.03 0.18 0.81
O
0.66 0.63 0.44
O
0.53 0.49 0.44
O
0.78 0.81 0.44
O
0.65 0.68 0.44
O
0.00 0.15 0.59
Identify the crystal system.