<|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:
4.8 4.8 4.8
99 99 33
Nb
0.15 0.00 0.34
Cr
0.00 0.00 0.00
Ir
0.60 0.00 0.10
Ir
0.69 0.00 0.58
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.8 4.8 4.8
99 99 33
Nb
0.15 0.00 0.34
Cr
0.00 0.00 0.00
Ir
0.60 0.00 0.10
Ir
0.69 0.00 0.58
Identify the crystal system.