<|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 4.2
121 121 87
Zn
0.00 0.00 0.06
Si
0.00 0.00 0.00
Tc
0.08 0.00 0.53
Tc
0.00 0.08 0.53
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.2 4.2 4.2
121 121 87
Zn
0.00 0.00 0.06
Si
0.00 0.00 0.00
Tc
0.08 0.00 0.53
Tc
0.00 0.08 0.53
Identify the crystal system.