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## Main Question or Discussion Point

I have list of numbers like

3100002

11200002

11200011

12010011

12010020

20110002

20110101

21001020

21001110

30000300

100300020

.

.

.

.

I need all possible combinations of specific size depending on some conditions.

size of combination can vary from 3 to 25.

I am doing it with nested for loop but its time consuming as number of inner loop increases.

I need some code help related to this problem.

Code help can be for

Matlab

Mathematica

C

Java

Plz guide.....

3100002

11200002

11200011

12010011

12010020

20110002

20110101

21001020

21001110

30000300

100300020

.

.

.

.

I need all possible combinations of specific size depending on some conditions.

size of combination can vary from 3 to 25.

I am doing it with nested for loop but its time consuming as number of inner loop increases.

I need some code help related to this problem.

Code help can be for

Matlab

Mathematica

C

Java

Plz guide.....