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→Assignment 3
all other blocks in the middle need ghost cells on both the left and right sides.
In A2 and A3 we only scaled the columns, but not the rows, they always stayed at 32. This made it easy for us to keep the grid one dimensional.
If we scaled the rows as well as the columns we would most likely have need to use a two dimensional grid of blocks.
This would make the problem more difficult as we would then not only need ghost columns, but also ghost rows on the top and bottom of blocks.
