Define what a "contemporary group" is.
Examples are not sufficient without an actual rule. Consider this example of mapping X to Y:
x y
1 3
2 3
3 5
4 4
5 4
6 3
without a rule (or rules) you do not have enough information to map 7, 8, or 35. So providing an example based on "row" does not provide a general rule that can be programmed.
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