
  --- 1,2c1,2 -----------------------
  < // The DCC abacus
  < // Last edited on 2002-03-30 03:24:44 by stolfi

  > // The DCC abacus (shows "1969" - year when the Computer Science grad course opened)
  > // Last edited on 2003-09-14 23:58:19 by stolfi

  --- 6d5 -----------------------
  < //   These are absolute:

  --- 78c77 -----------------------
  <   

  > 

  --- 134c133 -----------------------
  <   

  > 

  --- 142c141 -----------------------
  <   

  > 

  --- 145c144 -----------------------
  <   

  > 

  --- 215c214 -----------------------
  <     // Third stick from top (digit "9"):

  >     // Third stick from top (digit "6"):

  --- 223c222 -----------------------
  <         translate <-abacus_space_HX + 2.5*abacus_slider_scaled_width, 0, 0>

  >         translate <-abacus_space_HX + 1.5*abacus_slider_scaled_width, 0, 0>

  --- 227c226 -----------------------
  <         translate <-abacus_space_HX + 3.5*abacus_slider_scaled_width, 0, 0>

  >         translate <-abacus_space_HX + 2.5*abacus_slider_scaled_width, 0, 0>

  --- 231c230 -----------------------
  <         translate <-abacus_space_HX + 4.5*abacus_slider_scaled_width, 0, 0>

  >         translate <-abacus_space_HX + 3.5*abacus_slider_scaled_width, 0, 0>

  --- 248c247 -----------------------
  <     // Bottom stick (digit "6"):

  >     // Bottom stick (digit "9"):

  --- 256c255 -----------------------
  <         translate <-abacus_space_HX + 1.5*abacus_slider_scaled_width, 0, 0>

  >         translate <-abacus_space_HX + 2.5*abacus_slider_scaled_width, 0, 0>

  --- 260c259 -----------------------
  <         translate <-abacus_space_HX + 2.5*abacus_slider_scaled_width, 0, 0>

  >         translate <-abacus_space_HX + 3.5*abacus_slider_scaled_width, 0, 0>

  --- 264c263 -----------------------
  <         translate <-abacus_space_HX + 3.5*abacus_slider_scaled_width, 0, 0>

  >         translate <-abacus_space_HX + 4.5*abacus_slider_scaled_width, 0, 0>
