<|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:
4.4 4.4 4.2
90 90 90
Mg
0.21 0.00 0.08
Mg
0.00 0.21 0.08
Bi
0.21 0.21 0.00
W
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.4 4.4 4.2
90 90 90
Mg
0.21 0.00 0.08
Mg
0.00 0.21 0.08
Bi
0.21 0.21 0.00
W
0.00 0.00 0.00
Identify the crystal system.