w +w +w +w +w +w +w +w +w +w +w +w +w +w +w +w
+---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
|-R-|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|
|---|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|
+---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+w q e e e e e e Q e h e e e e e e e e Q e h h+e e q h+e e q
+----+----4---------4---+-------+-----------------+--------+---------+---------+
|----|*4:---7-R-5-R---R-|-------|-5-R-7-R-5-R-4-R-|-------*|---------|---------|
|----|*4:---------------|-5-0-5-|-----------------|-7-4---*|-2-------|---------|
+----+------------------+-------+-----------------+-----5--+-----0-2-+-3---2-3-+
h+e e q q^q^q e Q h+e e q h+e e q h+e e q q^q^q e Q q q q
+---------+-------------+---------+---------+---------+-----------+---------+
|---------|---------9\X-|---------|---------|---------|---------R-|3:-------|
|---------|-5-4-0-2-----|-2-------|---------|---------|-5-4-0-2---|4:-3-5-0-|
+-5---4-5-+-------------+-----0-2-+-3---2-3-+-5---4-5-+-----------+---------+
q e e e e e e Q e h e e e e e e e e Q e h q e e e e e e Q e h
+---4---------4---+-------+-----------------+-------+--4---------4---+-------+
|4:---7-R-5-R---R-|-------|-5-R-7-R-5-R-4-R-|-------|*---7-R-5-R---R-|-------|
|4:---------------|-5-0-5-|-----------------|-7-4---|*---------------|-5-0-5-|
+-----------------+-------+-----------------+-----5-+----------------+-------+
e e e e e e e e Q e h h+e e q h+e e q q e e+h +w
+-----------------+--------+---------+---------+---------+----+
|-5-R-7-R-5-R-4-R-|-------*|---------|---------|---R-----|----|
|-----------------|-7-4---*|-2-------|---------|-5-------|----|
+-----------------+-----5--+-----0-2-+-3---2-3-+-----0---+----+
