L-corner

From Petal Crashers Wiki

L-corner
r
r
b
bb
Chain type Extension

The L-corner is a method of turning your chain 90 degrees. It is similar to the corner chain, but depending on how it is built, it can preserve the reversible nature of a chain. For example, this 3-chain can be triggered using both the purples and the yellows:

y
y
g
ppgg

L-corner can also be used to fix a corner that was accidentally built backwards.