diff --git a/README.md b/README.md
index d7eff71..16bda42 100644
--- a/README.md
+++ b/README.md
@@ -176,13 +176,13 @@ Note that '·' above is not ASCII, but rather Unicode, the MIDDLE DOT character,
 
 ### Small Grids
 ```
-       ___     ___      .---+---+---+---+---.     .---+---+---+---.  .---.   .---.
-   ___/   \___/   \     |   |   |   |   |   |    / \ / \ / \ / \ /   |   +---+   |
-  /   \___/   \___/     +---+---+---+---+---+   +---+---+---+---+    +---+   +---+
-  \___/ b \___/   \     |   |   | b |   |   |    \ / \a/ \b/ \ / \   |   +---+   |
-  / a \___/   \___/     +---+---+---+---+---+     +---+---+---+---+  +---+ b +---+
-  \___/   \___/   \     |   | a |   |   |   |    / \ / \ / \ / \ /   | a +---+   |
-      \___/   \___/     '---+---+---+---+---'   '---+---+---+---'    '---'   '---'
+       ___     ___      .---+---+---+---+---.     .---+---+---+---.  .---.   .---.   .---. .---.    .-.   .-.  0
+   ___/   \___/   \     |   |   |   |   |   |    / \ / \ / \ / \ /   |   +---+   |   | A | | B |   | A | | B | 1
+  /   \___/   \___/     +---+---+---+---+---+   +---+---+---+---+    +---+   +---+   '---' '---'    '-'   '-'  2
+  \___/ b \___/   \     |   |   | b |   |   |    \ / \a/ \b/ \ / \   |   +---+   |   .---. .---.    .-.   .-.  3
+  / a \___/   \___/     +---+---+---+---+---+     +---+---+---+---+  +---+ b +---+   | C | | D |   | C | | D | 4
+  \___/   \___/   \     |   | a |   |   |   |    / \ / \ / \ / \ /   | a +---+   |   '---' '---'    '-'   '-'  5
+      \___/   \___/     '---+---+---+---+---'   '---+---+---+---'    '---'   '---'   0123456789012345678901234 6
 
 
 ```
diff --git a/examples/small-grids.svg b/examples/small-grids.svg
index d652a14..c2850bf 100644
--- a/examples/small-grids.svg
+++ b/examples/small-grids.svg
@@ -1,4 +1,4 @@
-<svg xmlns='http://www.w3.org/2000/svg' version='1.1' height='137' width='664' font-family='Menlo,Lucida Console,monospace'>
+<svg xmlns='http://www.w3.org/2000/svg' version='1.1' height='137' width='904' font-family='Menlo,Lucida Console,monospace'>
 <style type="text/css">
 svg {
    color: #000000;
@@ -21,6 +21,8 @@ svg {
 <path d='M 496,0 L 528,0' fill='none' stroke='currentColor'></path>
 <path d='M 552,0 L 584,0' fill='none' stroke='currentColor'></path>
 <path d='M 616,0 L 648,0' fill='none' stroke='currentColor'></path>
+<path d='M 680,0 L 712,0' fill='none' stroke='currentColor'></path>
+<path d='M 728,0 L 760,0' fill='none' stroke='currentColor'></path>
 <path d='M 584,16 L 616,16' fill='none' stroke='currentColor'></path>
 <path d='M 192,32 L 224,32' fill='none' stroke='currentColor'></path>
 <path d='M 224,32 L 256,32' fill='none' stroke='currentColor'></path>
@@ -33,7 +35,11 @@ svg {
 <path d='M 480,32 L 512,32' fill='none' stroke='currentColor'></path>
 <path d='M 552,32 L 584,32' fill='none' stroke='currentColor'></path>
 <path d='M 616,32 L 648,32' fill='none' stroke='currentColor'></path>
+<path d='M 680,32 L 712,32' fill='none' stroke='currentColor'></path>
+<path d='M 728,32 L 760,32' fill='none' stroke='currentColor'></path>
 <path d='M 584,48 L 616,48' fill='none' stroke='currentColor'></path>
+<path d='M 680,48 L 712,48' fill='none' stroke='currentColor'></path>
+<path d='M 728,48 L 760,48' fill='none' stroke='currentColor'></path>
 <path d='M 192,64 L 224,64' fill='none' stroke='currentColor'></path>
 <path d='M 224,64 L 256,64' fill='none' stroke='currentColor'></path>
 <path d='M 256,64 L 288,64' fill='none' stroke='currentColor'></path>
@@ -46,6 +52,8 @@ svg {
 <path d='M 552,64 L 584,64' fill='none' stroke='currentColor'></path>
 <path d='M 616,64 L 648,64' fill='none' stroke='currentColor'></path>
 <path d='M 584,80 L 616,80' fill='none' stroke='currentColor'></path>
+<path d='M 680,80 L 712,80' fill='none' stroke='currentColor'></path>
+<path d='M 728,80 L 760,80' fill='none' stroke='currentColor'></path>
 <path d='M 192,96 L 224,96' fill='none' stroke='currentColor'></path>
 <path d='M 224,96 L 256,96' fill='none' stroke='currentColor'></path>
 <path d='M 256,96 L 288,96' fill='none' stroke='currentColor'></path>
@@ -107,6 +115,18 @@ svg {
 <path d='M 648,0 L 648,32' fill='none' stroke='currentColor'></path>
 <path d='M 648,32 L 648,64' fill='none' stroke='currentColor'></path>
 <path d='M 648,64 L 648,96' fill='none' stroke='currentColor'></path>
+<path d='M 680,0 L 680,32' fill='none' stroke='currentColor'></path>
+<path d='M 680,32 L 680,48' fill='none' stroke='currentColor'></path>
+<path d='M 680,48 L 680,80' fill='none' stroke='currentColor'></path>
+<path d='M 712,0 L 712,32' fill='none' stroke='currentColor'></path>
+<path d='M 712,32 L 712,48' fill='none' stroke='currentColor'></path>
+<path d='M 712,48 L 712,80' fill='none' stroke='currentColor'></path>
+<path d='M 728,0 L 728,32' fill='none' stroke='currentColor'></path>
+<path d='M 728,32 L 728,48' fill='none' stroke='currentColor'></path>
+<path d='M 728,48 L 728,80' fill='none' stroke='currentColor'></path>
+<path d='M 760,0 L 760,32' fill='none' stroke='currentColor'></path>
+<path d='M 760,32 L 760,48' fill='none' stroke='currentColor'></path>
+<path d='M 760,48 L 760,80' fill='none' stroke='currentColor'></path>
 <path d='M 12,40 L 20,24' fill='none' stroke='currentColor'></path>
 <path d='M 12,72 L 20,56' fill='none' stroke='currentColor'></path>
 <path d='M 44,24 L 52,8' fill='none' stroke='currentColor'></path>
@@ -162,6 +182,22 @@ svg {
 <path d='M 496,64 L 512,96' fill='none' stroke='currentColor'></path>
 <path d='M 496,0 L 512,32' fill='none' stroke='currentColor'></path>
 <path d='M 512,32 L 528,64' fill='none' stroke='currentColor'></path>
+<path d='M 808,0 A 16,16 0 0,0 792,16' fill='none' stroke='currentColor'></path>
+<path d='M 808,0 A 16,16 0 0,1 824,16' fill='none' stroke='currentColor'></path>
+<path d='M 856,0 A 16,16 0 0,0 840,16' fill='none' stroke='currentColor'></path>
+<path d='M 856,0 A 16,16 0 0,1 872,16' fill='none' stroke='currentColor'></path>
+<path d='M 792,16 A 16,16 0 0,0 808,32' fill='none' stroke='currentColor'></path>
+<path d='M 824,16 A 16,16 0 0,1 808,32' fill='none' stroke='currentColor'></path>
+<path d='M 840,16 A 16,16 0 0,0 856,32' fill='none' stroke='currentColor'></path>
+<path d='M 872,16 A 16,16 0 0,1 856,32' fill='none' stroke='currentColor'></path>
+<path d='M 808,48 A 16,16 0 0,0 792,64' fill='none' stroke='currentColor'></path>
+<path d='M 808,48 A 16,16 0 0,1 824,64' fill='none' stroke='currentColor'></path>
+<path d='M 856,48 A 16,16 0 0,0 840,64' fill='none' stroke='currentColor'></path>
+<path d='M 856,48 A 16,16 0 0,1 872,64' fill='none' stroke='currentColor'></path>
+<path d='M 792,64 A 16,16 0 0,0 808,80' fill='none' stroke='currentColor'></path>
+<path d='M 824,64 A 16,16 0 0,1 808,80' fill='none' stroke='currentColor'></path>
+<path d='M 840,64 A 16,16 0 0,0 856,80' fill='none' stroke='currentColor'></path>
+<path d='M 872,64 A 16,16 0 0,1 856,80' fill='none' stroke='currentColor'></path>
 <style>
   text {
        text-anchor: middle;
@@ -170,13 +206,53 @@ svg {
        font-size: 1em;
   }
 </style>
+<text x='888' y='4'>0</text>
+<text x='696' y='20'>A</text>
+<text x='744' y='20'>B</text>
+<text x='808' y='20'>A</text>
+<text x='856' y='20'>B</text>
+<text x='888' y='20'>1</text>
+<text x='888' y='36'>2</text>
 <text x='64' y='52'>b</text>
 <text x='272' y='52'>b</text>
 <text x='432' y='52'>a</text>
 <text x='464' y='52'>b</text>
+<text x='888' y='52'>3</text>
 <text x='32' y='68'>a</text>
 <text x='600' y='68'>b</text>
+<text x='696' y='68'>C</text>
+<text x='744' y='68'>D</text>
+<text x='808' y='68'>C</text>
+<text x='856' y='68'>D</text>
+<text x='888' y='68'>4</text>
 <text x='240' y='84'>a</text>
 <text x='568' y='84'>a</text>
+<text x='888' y='84'>5</text>
+<text x='680' y='100'>0</text>
+<text x='688' y='100'>1</text>
+<text x='696' y='100'>2</text>
+<text x='704' y='100'>3</text>
+<text x='712' y='100'>4</text>
+<text x='720' y='100'>5</text>
+<text x='728' y='100'>6</text>
+<text x='736' y='100'>7</text>
+<text x='744' y='100'>8</text>
+<text x='752' y='100'>9</text>
+<text x='760' y='100'>0</text>
+<text x='768' y='100'>1</text>
+<text x='776' y='100'>2</text>
+<text x='784' y='100'>3</text>
+<text x='792' y='100'>4</text>
+<text x='800' y='100'>5</text>
+<text x='808' y='100'>6</text>
+<text x='816' y='100'>7</text>
+<text x='824' y='100'>8</text>
+<text x='832' y='100'>9</text>
+<text x='840' y='100'>0</text>
+<text x='848' y='100'>1</text>
+<text x='856' y='100'>2</text>
+<text x='864' y='100'>3</text>
+<text x='872' y='100'>4</text>
+<text x='888' y='100'>6</text>
 </g>
 </svg>
diff --git a/examples/small-grids.txt b/examples/small-grids.txt
index 1e95734..7961b21 100644
--- a/examples/small-grids.txt
+++ b/examples/small-grids.txt
@@ -1,8 +1,8 @@
-       ___     ___      .---+---+---+---+---.     .---+---+---+---.  .---.   .---.
-   ___/   \___/   \     |   |   |   |   |   |    / \ / \ / \ / \ /   |   +---+   |
-  /   \___/   \___/     +---+---+---+---+---+   +---+---+---+---+    +---+   +---+
-  \___/ b \___/   \     |   |   | b |   |   |    \ / \a/ \b/ \ / \   |   +---+   |
-  / a \___/   \___/     +---+---+---+---+---+     +---+---+---+---+  +---+ b +---+
-  \___/   \___/   \     |   | a |   |   |   |    / \ / \ / \ / \ /   | a +---+   |
-      \___/   \___/     '---+---+---+---+---'   '---+---+---+---'    '---'   '---'
+       ___     ___      .---+---+---+---+---.     .---+---+---+---.  .---.   .---.   .---. .---.    .-.   .-.  0
+   ___/   \___/   \     |   |   |   |   |   |    / \ / \ / \ / \ /   |   +---+   |   | A | | B |   | A | | B | 1
+  /   \___/   \___/     +---+---+---+---+---+   +---+---+---+---+    +---+   +---+   '---' '---'    '-'   '-'  2
+  \___/ b \___/   \     |   |   | b |   |   |    \ / \a/ \b/ \ / \   |   +---+   |   .---. .---.    .-.   .-.  3
+  / a \___/   \___/     +---+---+---+---+---+     +---+---+---+---+  +---+ b +---+   | C | | D |   | C | | D | 4
+  \___/   \___/   \     |   | a |   |   |   |    / \ / \ / \ / \ /   | a +---+   |   '---' '---'    '-'   '-'  5
+      \___/   \___/     '---+---+---+---+---'   '---+---+---+---'    '---'   '---'   0123456789012345678901234 6