sort columns based on another column

Dear All

my data looks like this

id1 id fut X
6 1 3 77.60
8 2 4 77.76
3 3 6 77.93
7 4 11 77.43
10 5 12 77.60
9 6 13 77.76
1 7 12 77.93
2 8 11 77.10
4 9 12 77.26
5 10 3 77.43


and I want to do this

id1 id fut X
6 6 13 77.76
8 8 11 77.10
3 3 6 77.93
7 7 12 77.93
10 10 3 77.43
9 9 12 77.26
1 1 3 77.60
2 2 4 77.76
4 4 11 77.43
5 5 12 77.60

i.e. arrange columns according to id1. Hope someone could help me. Thanks,

thanks both of you. this works.

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