<|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:
4.2 4.2 5.3
90 90 119
Mg
0.11 0.22 0.77
Mg
0.00 0.43 0.56
Ir
0.00 0.00 0.00
Ir
0.11 0.22 0.29
Ir
0.00 0.43 0.04
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.2 4.2 5.3
90 90 119
Mg
0.11 0.22 0.77
Mg
0.00 0.43 0.56
Ir
0.00 0.00 0.00
Ir
0.11 0.22 0.29
Ir
0.00 0.43 0.04
Identify the crystal system.