Deck the halls with .......
||-------------------|------------------|------------------|
||.------------7-----|----7-------------|----7-6-7---------|
||.-----7-6-4-----4--|--6----4-6-7-4-6--|-4----------------|
||---4---------------|------------------|------------------|
++-------------------+------------------+------------------+
++-------------------+------------------+------------------+ 2x
|