Ref.
E1 |--------------------------|
H2 |--------3-1---------------|
G3 |--0-4---------------------|
D4- |--------------------------|
A5 |--------------------------|
E6 |--------------------------|


E1 |---------------------------|
H2 |-----------3-3-1-----5-5-5-|
G3 |-2-2-4-4--------2-2--------|
D4- |---------------------------|
A5 |---------------------------|
E6 |---------------------------|

E1 |-------------------------------|
H2 |-----------5-5-5-----------3-1-|
G3 |-7-7-2-2---------7-7-0-4-------|
D4- |-------------------------------|
A5 |-------------------------------|
E6 |-------------------------------|