fig A||------------------|| |---------------------------------------------------------- |---------------------------------------------------------- |--9-9-9--10-10-10--9-9-9------------------------9--------- |--9-9-9--10-10-10--9-9-9---12-12/14-12-10-1210-9--------- |--7-7-7---8--8--8--7-7-7---10-10/12-10--8-10-8-7--------- |---------------------------------------------------------- |--------------------------------------------------------------------------- |--------------------------------------------------------------------------- |----------------------(3)-----1h3p1-----1h3p1--------(5)----3h5p3---3h5p3-- |-2-3-2---2------3---------------------------------------------------------- |-------5---5-3--1-1-1-----1-1-------1-1-------3-3-3-3----3-3-----3-3------- |--------------------------------------------------------------------------- |------------------------------------------------------------------------- |------------------------------------------------------------------------- |--7---9--10--9--7---------------------7---9--10--9--7-------------------- |--7---9--10--9--7--8--10-10-----------7---9--10--9--7--8-10-10----------- |--5---7---8--7--5--8--10-10---8p7-----5---7---8--7--5--8-10-10--8p7------ |-------------------6---8--8------10p8------------------6--8--8-----10p8-- |---------------------------------------------------------- |---------------------------------------------------------- |---------------------------------------------------------- |-8/10-10----8/10-10-------------8/10-10---8/10-12--------- |-8/10-10----8/10-10----8p7------8/10-10---8/10-12--------- |-6/-8--8----6/-8--8-------10p8--6/-8--8---6/-8-10--------- |---------0-------0--------------------0-------3---------0------ |-------6---6-------6-------6-------3---3-------6p5-3-----3---- |-----7-------7-------7---7--------5-------5-----------5-------- |---7-----------7-------7--------5-----------5---------------5-- |--------------------------------------------------------------- |--------------------------------------------------------------- 2nd time: |-------0-------------1------------------------------------ |-----3---3---------3---------2---------------------------- |---5-------5-----3-----------2---------------------------- |-5-----------5-3-------------2---------------------------- |-----------------------------0-------Back to fig A-------- |---------------------------------------------------------- |---------------------------------------------------------- |---------------------------------------------------------- |---------------------------------------------------------- |------------------7--6-----------------------7--6--------- |-4-4-4-4-4-4-4-4--5--4--7---4-4-4-4-4-4-4-4--5--4--7------ |-2-2-2-2-2-2-2-2--------5---2-2-2-2-2-2-2-2--------5------ "virtual existence..." |---------------------------------------------------------- |---------------------------------------------------------- |--4----------9-----------7-------------------------------- |--4----------9-----------7------------7------------------- |--2----------7-----------5------------7------------------- |--------------------------------------5------------------- |--------------------------------------------------------- |--------------------------------------------------------- |-----------------7-------------------------7------------- |-----------------7-------------------------7------------- |-----------------5-------------------------5------------- |-0-0-0-0-0-0-0-0-----------0-0-0-0-0-0-0-0---------------