<|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:
6.7 6.7 6.7
90 90 90
Zn
0.36 0.00 0.36
Zn
0.00 0.36 0.36
Zn
0.00 0.00 0.00
Zn
0.36 0.36 0.00
Sn
0.88 0.24 0.83
Sn
0.83 0.48 0.88
Sn
0.24 0.83 0.88
Sn
0.48 0.88 0.83
Sn
0.83 0.88 0.24
Sn
0.88 0.83 0.48
Sn
0.48 0.48 0.48
Sn
0.24 0.24 0.24
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.7 6.7 6.7
90 90 90
Zn
0.36 0.00 0.36
Zn
0.00 0.36 0.36
Zn
0.00 0.00 0.00
Zn
0.36 0.36 0.00
Sn
0.88 0.24 0.83
Sn
0.83 0.48 0.88
Sn
0.24 0.83 0.88
Sn
0.48 0.88 0.83
Sn
0.83 0.88 0.24
Sn
0.88 0.83 0.48
Sn
0.48 0.48 0.48
Sn
0.24 0.24 0.24
Identify the crystal system.