------------------------------| x3
------------------------------|
0-0-3-4-0-0-3-4-0-0-3-4-5*----|
------------------------------|
------------------------------|
------------------------------|
------------56----------------|
----------4----6--------------|
0-0-3-4-5--------5*-----------|
------------------------------|
------------------------------|
------------------------------|
------------56----------------|
----------4----6-7*-----------|
--------5---------------------|
------------------------------|
------------------------------|
------------------------------|
------------56----------------|
----------4----6--------------|
0-0-3-4-5--------5*-----------|
------------------------------|
------------------------------|
------------------------------|
------------56----------------|
----------4----6-7*-----------|
--------5---------------------|
------------------------------|
------------------------------|
------------------------------|