how to combine groups of 3 numbers

[gianfrancopierino]

i have 12 groups of numbers:
group 1   26   32   0
group 2   4   15   19
group 3   2   21   25
group 4   6   17   34
group 5   13   27   36
group 6   8   11   30
group 7   5   10   23
group 8   16   24   33
group 9   1   14   20
group 10  9   22   31
group 11  7   18   29
group 12  12   28   35

manually is too hard, in my oppinion and i can make mistakes
request: i want all possible combinations of 4 groups with no repeating numbers
so there must be groups of 12 numbers

[gianfrancopierino]

i did it manually...