Is it possible to do the following?
Source Target Result
|1| |F| |0|0|0| |1|0|F|
| | | | -> |0| |0| = |0| |0|
|1| |F| |0|0|0| |1|0|F|
i.e copy from a source table with empty cells and paste only the cells with values, not overwriting if the source has empty cells at those places