<|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:
4.1 4.2 12.1
90 90 90
K
0.00 0.00 0.10
K
0.04 0.11 0.38
Ba
0.04 0.11 0.76
Ti
0.00 0.00 0.87
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.1 4.2 12.1
90 90 90
K
0.00 0.00 0.10
K
0.04 0.11 0.38
Ba
0.04 0.11 0.76
Ti
0.00 0.00 0.87
Identify the crystal system.