<|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:
6.1 6.1 6.1
59 59 59
Na
0.00 0.00 0.00
Sn
0.14 0.14 0.14
Cl
0.21 0.21 0.36
Cl
0.21 0.36 0.21
Cl
0.36 0.21 0.21
Cl
0.36 0.36 0.36
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.1 6.1 6.1
59 59 59
Na
0.00 0.00 0.00
Sn
0.14 0.14 0.14
Cl
0.21 0.21 0.36
Cl
0.21 0.36 0.21
Cl
0.36 0.21 0.21
Cl
0.36 0.36 0.36
Identify the crystal system.