<|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:
3.6 4.4 5.2
90 105 90
Al
0.43 0.19 0.89
Al
0.80 0.19 0.09
Tl
0.12 0.00 0.49
Cu
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.6 4.4 5.2
90 105 90
Al
0.43 0.19 0.89
Al
0.80 0.19 0.09
Tl
0.12 0.00 0.49
Cu
0.00 0.00 0.00
Identify the crystal system.