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  1.     Group    Length        Members
  2.     -----    ------        -------
  3.  
  4.     A    0 mils        +-----+
  5.                 |     |
  6.                 | *** |
  7.                 | * * | (a round circle)
  8.                 | *** |
  9.                 |     |
  10.                 +-----+
  11.  
  12.     B    12 mils        +-----+    +-----+    +-----+    +-----+
  13.                 |  *  |    |     |    |     | |     |
  14.                 | *** |    | *** |    | *** | | *** |
  15.                 | * * |    | * **|    | * * | |** * |
  16.                 | *** |    | *** |    | *** | | *** |
  17.                 |     |    |     |    |  *  | |     |
  18.                 +-----+    +-----+    +-----+    +-----+
  19.  
  20.     C    23 mils        +-----+    +-----+    +-----+    +-----+
  21.                 |    *|    |     |    |     | |*    |
  22.                 | *** |    | *** |    | *** | | *** |
  23.                 | * * |    | * * |    | * * | | * * |
  24.                 | *** |    | *** |    | *** | | *** |
  25.                 |     |    |    *|    |*    | |     |
  26.                 +-----+    +-----+    +-----+    +-----+
  27.  
  28.     D    50 mils        +-----+    +-----+
  29.                 |     |    |  *  |
  30.                 |     |    |  *  |
  31.                 |*****|    |  *  |
  32.                 |     |    |  *  |
  33.                 |     |    |  *  |
  34.                 +-----+    +-----+
  35.  
  36.     E    71 mils        +-----+    +-----+
  37.                 |    *|    |*    |
  38.                 |   * |    | *   |
  39.                 |  *  |    |  *  |
  40.                 | *   |    |   * |
  41.                 |*    |    |    *|
  42.                 +-----+    +-----+
  43.  
  44.     F    35 mils        +-----+    +-----+    +-----+    +-----+
  45.                 |  *  |    |     |    |     |    |  *  |
  46.                 |   * |    |     |    |     |    | *   |
  47.                 |    *|    |    *|    |*    |    |*    |
  48.                 |     |    |   * |    | *   |    |     |
  49.                 |     |    |  *  |    |  *  |    |     |
  50.                 +-----+    +-----+    +-----+    +-----+
  51.  
  52.     G    60 mils        +-----+    +-----+    +-----+    +-----+
  53.                 |  *  |    |  *  |    |    *|    |*    |
  54.                 |  *  |    |  *  |    |   * |    | *   |
  55.                 |  *  |    |  *  |    |  *  |    |  *  |
  56.                 |   * |    | *   |    |  *  |    |  *  |
  57.                 |    *|    |*    |    |  *  |    |  *  |
  58.                 +-----+    +-----+    +-----+    +-----+
  59.  
  60.                 +-----+    +-----+    +-----+    +-----+
  61.                 |    *|    |     |    |*    |    |     |
  62.                 |   * |    |     |    | *   |    |     |
  63.                 |***  |    |***  |    |  ***|    |  ***|
  64.                 |     |    |   * |    |     |    | *   |
  65.                 |     |    |    *|    |     |    |*    |
  66.                 +-----+    +-----+    +-----+    +-----+
  67.  
  68.     H    71 mils        +-----+    +-----+    +-----+    +-----+
  69.                 |    *|    |     |    |*    |    |*   *|
  70.                 |   * |    |     |    | *   |    | * * |
  71.                 |  *  |    |  *  |    |  *  |    |  *  |
  72.                 |   * |    | * * |    | *   |    |     |
  73.                 |    *|    |*   *|    |*    |    |     |
  74.                 +-----+    +-----+    +-----+    +-----+
  75.  
  76.     I    60 mils        +-----+    +-----+    +-----+    +-----+
  77.                 |  * *|    |* *  |    |     |    |     |
  78.                 |  ** |    | **  |    |     |    |     |
  79.                 |  *  |    |  *  |    |  *  |    |  *  |
  80.                 |     |    |     |    | **  |    |  ** |
  81.                 |     |    |     |    |* *  |    |  * *|
  82.                 +-----+    +-----+    +-----+    +-----+
  83.  
  84.                 +-----+    +-----+    +-----+    +-----+
  85.                 |*    |    |     |    |    *|    |     |
  86.                 | *   |    |     |    |   * |    |     |
  87.                 |***  |    |***  |    |  ***|    |  ***|
  88.                 |     |    | *   |    |     |    |   * |
  89.                 |     |    |*    |    |     |    |    *|
  90.                 +-----+    +-----+    +-----+    +-----+
  91.  
  92.     J    -------        +-----+    +-----+
  93.                 |  *  |    |  *  |
  94.                 | *   |    |   * |
  95.                 |*   *|    |*   *|
  96.                 |   * |    | *   |
  97.                 |  *  |    |  *  |
  98.                 +-----+    +-----+
  99.  
  100.     Figure 5. The cell type groups, and their trace lengths in a 50 mil
  101.     cell. The group J cells are created by combining the parallel
  102.     group F cells.
  103.