Drop D:     D A D G B e


Part 1:

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-----------------------------------|
-----------------------------------|
------6-5-6-5-----6-5-6-5-3-3-5-5--|
--0-0-6-5-6-5-0-0-6-5-6-5-3-3-5-5--|
--0-0-6-5-6-5-0-0-6-5-6-5-3-3-5-5--|
  . .         . .


-----------------------------------|
-----------------------------------|
-----------------------------------|
------6-5-6-5-----6-5-6-5-------0--|
--0-0-6-5-6-5-0-0-6-5-6-5-------0--|
--0-0-6-5-6-5-0-0-6-5-6-5-6-5-3-0--|
  . .         . .         . . .


-----------------------------------|
-----------------------------------|
-----------------------------------|
------6-5-6-5-----6-5-6-5-3-3-5-5--|
--0-0-6-5-6-5-0-0-6-5-6-5-3-3-5-5--|
--0-0-6-5-6-5-0-0-6-5-6-5-3-3-5-5--|
  . .         . .


-----------------------------------|
-----------------------------------|
-----------------------------------|
------6-5-6-5----------------------|
--0-0-6-5-6-5-0-0-0-0-0-0-6---3----|
--0-0-6-5-6-5-0-0-0-0-0-0-6---3----|
  . .         . . . . . .


Part 2:

---------------------------|
---------------------------|
---------------------------|
--0---------5-----8---6----|
--0---------5-----8---6----|
--0---------5-----8---6----|


Part 3:

-------------------------------|
-------------------------------|
-------------------------------|
--0-------------3-5---6---5----|
--0-0-0-0-0-0-0-3-5-0-6-0-5-0--|
--0-0-0-0-0-0-0-3-5-0-6-0-5-0--|
    . . . . . .     .   .   .


---------------------------------|
---------------------------------|
---------------------------------|
--0-------------3-5---5-6---6-3--|
--0-0-0-0-0-0-0-3-5-0-5-6-0-6-3--|
--0-0-0-0-0-0-0-3-5-0-5-6-0-6-3--|
    . . . . . .     .     .


Part 4:

---------------------------------------|
---------------------------------------|
---------------------------------------|
--2---2-------(2)------1---1------(1)--|
--2-0-2-------(2)------1-0-1------(1)--|
--2-0-2-------(2)------1-0-1------(1)--|
    .                    .         


-----------------------------------|
-----------------------------------|
-----------------------------------|
----5-------5-------5-------6---5--|
--0-5-----0-5-----0-5-----0-6---5--|
--0-5-----0-5-----0-5-----0-6---5--|
  .       .       .       .


Back to Part 1.