diff --git a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastCellBasicRule.java b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastSingularCellBasicRule.java
similarity index 93%
rename from src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastCellBasicRule.java
rename to src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastSingularCellBasicRule.java
index 91a8141ea..727559083 100644
--- a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastCellBasicRule.java
+++ b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastSingularCellBasicRule.java
@@ -9,17 +9,13 @@
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersCell;
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersType;
 
-import java.awt.Point;
 import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
 
-public class LastCellBasicRule extends BasicRule {
+public class LastSingularCellBasicRule extends BasicRule {
 
-    public LastCellBasicRule() {
-        super("SKYS-BASC-0002", "Last Cell",
-                "A certain number must go in a certain cell, because that cell is only cell in that row/col that does not create a duplicate contradiction",
+    public LastSingularCellBasicRule() {
+        super("SKYS-BASC-0002", "Last Non-Duplicate Cell",
+                "There is only one cell on this row/col for this number that does not create a duplicate contradiction",
                 "edu/rpi/legup/images/skyscrapers/rules/LastCell.png");
     }
 
diff --git a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastNumberBasicRule.java b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastSingularNumberBasicRule.java
similarity index 91%
rename from src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastNumberBasicRule.java
rename to src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastSingularNumberBasicRule.java
index 32a13e43c..248998e84 100644
--- a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastNumberBasicRule.java
+++ b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastSingularNumberBasicRule.java
@@ -9,17 +9,13 @@
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersCell;
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersType;
 
-import java.awt.Point;
 import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
 
-public class LastNumberBasicRule extends BasicRule {
+public class LastSingularNumberBasicRule extends BasicRule {
 
-    public LastNumberBasicRule() {
-        super("SKYS-BASC-0003", "Last Number",
-                "A certain cell must contain a certain number since that number is the only one that does not create a duplicate contradiction.",
+    public LastSingularNumberBasicRule() {
+        super("SKYS-BASC-0003", "Last Non-Duplicate Number",
+                "There is only one number for this cell that does not create a duplicate contradiction",
                 "edu/rpi/legup/images/skyscrapers/rules/LastNumber.png");
     }
 
diff --git a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/FixedMaxBasicRule.java b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastVisibleCellBasicRule.java
similarity index 94%
rename from src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/FixedMaxBasicRule.java
rename to src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastVisibleCellBasicRule.java
index 030567a94..778a6e2c9 100644
--- a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/FixedMaxBasicRule.java
+++ b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastVisibleCellBasicRule.java
@@ -9,17 +9,13 @@
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersCell;
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersType;
 
-import java.awt.Point;
 import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
 
-public class FixedMaxBasicRule extends BasicRule {
+public class LastVisibleCellBasicRule extends BasicRule {
 
-    public FixedMaxBasicRule() {
-        super("SKYS-BASC-0001", "Fixed Max",
-                "This is the last cell for this number that does not create a visibility contradiction.",
+    public LastVisibleCellBasicRule() {
+        super("SKYS-BASC-0001", "Last Visible Cell",
+                "There is only one cell on this row/col for this number that does not create a visibility contradiction",
                 "edu/rpi/legup/images/skyscrapers/rules/FixedMax.png");
     }
 
diff --git a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/OneEdgeBasicRule.java b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastVisibleNumberBasicRule.java
similarity index 92%
rename from src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/OneEdgeBasicRule.java
rename to src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastVisibleNumberBasicRule.java
index 557ea4d5b..7a4a7210a 100644
--- a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/OneEdgeBasicRule.java
+++ b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/LastVisibleNumberBasicRule.java
@@ -9,17 +9,13 @@
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersCell;
 import edu.rpi.legup.puzzle.skyscrapers.SkyscrapersType;
 
-import java.awt.Point;
 import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
 
-public class OneEdgeBasicRule extends BasicRule {
+public class LastVisibleNumberBasicRule extends BasicRule {
 
-    public OneEdgeBasicRule() {
-        super("SKYS-BASC-0005", "One Edge",
-                "This is the last number for this cell that does not create a visibility contradiction",
+    public LastVisibleNumberBasicRule() {
+        super("SKYS-BASC-0005", "Last Visible Number",
+                "There is only one number for this cell that does not create a visibility contradiction",
                 "edu/rpi/legup/images/skyscrapers/rules/OneEdge.png");
     }
 
diff --git a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/TODO.md b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/TODO.md
index ffe643d34..cf0db25ac 100644
--- a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/TODO.md
+++ b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/TODO.md
@@ -13,8 +13,9 @@ spreadsheet : https://docs.google.com/spreadsheets/d/1l7aUZtavtysM8dtGnaEIXhBKMR
       - View contains a few of these
     - document utility functions in the reference sheet, COMMENTS!
     - review and identify dead code
-    - replace height/width with size (never not square)
     - remove all these damn print statments (commented ones too if they aren't useful)
+    - Edit to allow blank clues
+    - Display flags somewhere
  5. Flags
     - edit exporter to include flags in xml file format (if needed)
  6. Documentation
diff --git a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/skyscrapers_reference_sheet.txt b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/skyscrapers_reference_sheet.txt
index d036e4708..d5ea4d0b8 100644
--- a/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/skyscrapers_reference_sheet.txt
+++ b/src/main/java/edu/rpi/legup/puzzle/skyscrapers/rules/skyscrapers_reference_sheet.txt
@@ -1,15 +1,15 @@
 RULE LIST:
-    SKYS-BASC-0001 : FixedMaxBasicRule
-    SKYS-BASC-0002 : LastCellBasicRule
-    SKYS-BASC-0003 : LastNumberBasicRule
+    SKYS-BASC-0001 : LastVisibleNumberBasicRule
+    SKYS-BASC-0002 : LastSingularCellBasicRule
+    SKYS-BASC-0003 : LastSingularNumberBasicRule
     SKYS-BASC-0004 : NEdgeBasicRule
-    SKYS-BASC-0005 : OneEdgeBasicRule
+    SKYS-BASC-0005 : LastVisibleNumberBasicRule
 
     SKYS-CONT-0001 : DuplicateNumbersContradictionRule
     SKYS-CONT-0002 : ExceedingVisibilityContradictionRule
     SKYS-CONT-0003 : InsufficientVisibilityContradictionRule
-    SKYS-CONT-0004 : NoNumberForCellContradictionRule/UnresoveldCell
-    SKYS-CONT-0005 : NoCellForNumberContradictionRule/UnresoveldNumber
+    SKYS-CONT-0004 : UnresolvedCellContradictionRule
+    SKYS-CONT-0005 : UnresolvedNumberContradictionRule
     SKYS-CONT-0006 : PreemptiveVisibilityContradictionRule
 
     SKYS-CASE-0001 : NumberForCellCaseRule