1 e + a 2 e + a 3 e + a 4 e + a 5 e + a 6 e + a
t t t
|4h-5p-4-----------------------------------------|
|--------7---------------------------------------|
|----------------5-------4h5p4-------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
t t t
|------------2-p-0-------0-------2-------0h-2p-0-|
|--------3-----------3---------------------------|
|1-h-2-------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|3---------------3------3---------------3--------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------2-p-0-------4---------------2h4p2p0-|
|--------3-----------3--------------------------h|
|1-h-2-------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|--------4-------5-------4h5p4---2---------------|
|3-----------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|7---5---4-------5---4---------------------------|
|------------7-----------7---5---3-------1-------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|
|------------------------------------------------|