Lesson 3: Skimming
Sometimes you have to keep blocks dangling in mid-air.
|These combinations work well while waiting for the I block.|
|The same, but raising the 9th column without leaving holes.
This general lay-out is very good to have since only the Z block won't fit.
|Skimming to produce a flat stack.
|The process can also be used with L and J on their sides.
It's great to make room for an O block.
|This technique can also be used with holes that are 2 columns wide.
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