<|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:
4.9 4.9 4.9
145 127 63
Zn
0.46 0.00 0.01
Zn
0.00 0.16 0.18
Co
0.00 0.00 0.00
Ir
0.00 0.00 0.19
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 4.9
145 127 63
Zn
0.46 0.00 0.01
Zn
0.00 0.16 0.18
Co
0.00 0.00 0.00
Ir
0.00 0.00 0.19
Identify the crystal system.