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Shell s p d f
1
up
2
up
up
up
up
3
up
up
up
up
up
up
up
up
up
4
up
up
up
up
up
up
up
up
up
up
up
up
up
up
up
up
5
up
up
up
up
up
up
up
up
up
up
up
up
up
up
up
up
6
up
up
up
up
up
up
up
up
up
7
up
up
up
up