eI--------------------------------------------------------|
BI--------------------------------------------------------|
GI--------------------------------------------------------|
DI---7---7------5---5---------------------7---------------|
AI-5---5-7----3---3-5------5---5------5---7---------------|
EI-----------------------3---3-5----3---3-----------------|x2

eI--------------------------I---------------------------------------|
BI--------------------------I---------------------------------------|
GI-7------5-----------------I---7-----5-----------------------------|
DI-7x7----5x5----5-----5----I---7x7---5x5---5-----------5-7-7-7-7---|
AI-5x7----3x5----5x5---5x7--I---5x7---3x5---5x5-5-5-5---5x7-7-7-7---|
EI---------------3x5---3x7--I---------------3x5-5-5-5---3x----------|

eI----------------------------------------------------------------------|
BI----------------------------------------------------------------------|
GI-7-7x-----------5-5x--------------------------------------------------|
DI-7-7x7/10-9-----5-5x5-----10---5-5-5-------------5-5-5--7-7-7-7-7-----|
AI-5-5x7-----10---3-3x5-9/10-----5-5-5--5-5-5-5-5--5-5-5--7-7-7-7-7-----|
EI-------------------------------3-3-3--5-5-5-5-5--3-3-3----------------|
                                ^-pm--^           ^-pm------------------|