<|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:
5.1 6.6 6.6
58 90 90
La
0.53 0.00 0.32
Mg
0.53 0.53 0.63
Mg
0.53 0.47 0.63
Mg
0.53 0.00 0.85
Mg
0.00 0.55 0.93
Mg
0.00 0.45 0.93
Mg
0.00 0.00 0.95
Nb
0.00 0.00 0.94
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.1 6.6 6.6
58 90 90
La
0.53 0.00 0.32
Mg
0.53 0.53 0.63
Mg
0.53 0.47 0.63
Mg
0.53 0.00 0.85
Mg
0.00 0.55 0.93
Mg
0.00 0.45 0.93
Mg
0.00 0.00 0.95
Nb
0.00 0.00 0.94
Identify the crystal system.