提问、SUB20高手帮忙下撒

gozichen

空slot是还没完成的F2L的空档位置，就是头三组F2L可以利用尚未完成的余下位置。<br>下图蓝色就是一组空slot<br><span style="font-size: 9pt; font-family: Verdana;" lang="EN-US"><!--[if gte vml 1]><v:shapetype id="_x0000_t75"
coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe"
filled="f" stroked="f">
<v:stroke joinstyle="miter"/>
<v:formulas>
  <v:f eqn="if lineDrawn pixelLineWidth 0"/>
  <v:f eqn="sum @0 1 0"/>
  <v:f eqn="sum 0 0 @1"/>
  <v:f eqn="prod @2 1 2"/>
  <v:f eqn="prod @3 21600 pixelWidth"/>
  <v:f eqn="prod @3 21600 pixelHeight"/>
  <v:f eqn="sum @0 0 1"/>
  <v:f eqn="prod @6 1 2"/>
  <v:f eqn="prod @7 21600 pixelWidth"/>
  <v:f eqn="sum @8 21600 0"/>
  <v:f eqn="prod @7 21600 pixelHeight"/>
  <v:f eqn="sum @10 21600 0"/>
</v:formulas>
<v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/>
<o:lock v:ext="edit" aspectratio="t"/>
</v:shapetype><v:shape id="_x0000_i1025" type="#_x0000_t75" alt="" style='width:63pt;
height:63pt'>
<v:imagedata src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image001.gif"
  o:href="file:///C:\Documents%20and%20Settings\Administrator\My%20Documents\IE\images\image001.gif"/>
</v:shape><![endif]--><!--[if !vml]--><!--[endif]--></span> <span style="font-size: 9pt; font-family: Verdana;" lang="EN-US">U</span><span style="font-size: 9pt; font-family: 宋体;">’</span><span style="font-size: 9pt; font-family: Verdana;" lang="EN-US">w R</span><span style="font-size: 9pt; font-family: 宋体;">’</span><span style="font-size: 9pt; font-family: Verdana;" lang="EN-US"> F R F</span><span style="font-size: 9pt; font-family: 宋体;">’</span><span style="font-size: 9pt; font-family: Verdana;" lang="EN-US"> R U</span><span style="font-size: 9pt; font-family: 宋体;">’</span><span style="font-size: 9pt; font-family: Verdana;" lang="EN-US"> R</span><span style="font-size: 9pt; font-family: 宋体;">’</span><span style="font-size: 9pt; font-family: Verdana;" lang="EN-US"> Uw</span><br>EC:就是extend cross，就是在15s观察时间里把cross和第一组F2L观察出来，复原时一起完成。

[ 本帖最后由 gozichen 于 2008-5-22 22:40 编辑 ]