|--------------------------------------------------------
|--------------------------------------------------------
|--------------------------------------------------------
|---10-10-10-10-10-10-10-10---10-10-10-10-10-10-10-10----
|----0--0--0--0--0--0--0--0----8--8--8--8--8--8--8--8----
|--------------------------------------------------------

|--------------------------------------------------------
|--------------------------------------------------------
|----x--x--x--x--x--x--x--x------------------------------
|---10-10-10-10-10-10-10-10---12-12-12-12-12-12-12-12----   x2
|-----------------------------10-10-10-10-10-10-10-10----
|--------------------------------------------------------

|--------------------------------------------------------
|--------------------------------------------------------
|------------------------x--x--x-------------------------
|---10-10-10--10~-------10~-------12-12-12---------------   x2
|----0---------8--8--8------------10~--------------------
|--------------------------------------------------------

|--------------------------------------------------------
|--------------------------------------------------------
|--------------------------------------------------------
|---10-10-10-10-10-10-10-10---10-10-10-10-10-10-10-10----
|----0--0--0--0--0--0--0--0----8--8--8--8--8--8--8--8----
|--------------------------------------------------------

|--------------------------------------------------------
|--------------------------------------------------------
|----x--x--x--x--x--x--x--x------------------------------
|---10-10-10-10-10-10-10-10---12-12-12-12-12-12-12-12----   x2
|-----------------------------10-10-10-10-10-10-10-10----
|--------------------------------------------------------