Tried addding a bit of math symbols and fixed BYD duplicate entry

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9c/FCDotPIE9CDash03.java

@@ -37,9 +37,9 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9CDash03 implements FourCornerDotCollePie9 {
 	
-	CJK_1('一'),
+	SURD('√'),
-	CJK_2('二'),
+	SURD_3('∛'),
-	CJK_3('三'),
+	SURD_4('∜'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9c/FCDotPIE9CDash04.java

@@ -37,10 +37,10 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9CDash04 implements FourCornerDotCollePie9 {
 	
-	NXX_01(' '),
+	NXX_01('∓'),
-	NXX_02(' '),
+	NXX_02('∏'),
-	NXX_03(' '),
+	NXX_03('∎'),
-	NXX_04(' '),
+	NXX_04('∐'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9c/FCDotPIE9CDash09.java

@@ -37,15 +37,15 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9CDash09 implements FourCornerDotCollePie9 {
 	
-	NXX_01(' '),
+	NXX_01('∫'),
-	NXX_02(' '),
+	NXX_02('∬'),
-	NXX_03(' '),
+	NXX_03('∭'),
-	NXX_04(' '),
+	NXX_04('∮'),
-	NXX_05(' '),
+	NXX_05('∯'),
-	NXX_06(' '),
+	NXX_06('∰'),
-	NXX_07(' '),
+	NXX_07('∱'),
-	NXX_08(' '),
+	NXX_08('∲'),
-	NXX_09(' '),
+	NXX_09('∳'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9d/FCDotPIE9DDash02.java

@@ -37,8 +37,8 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9DDash02 implements FourCornerDotCollePie9 {
 	
-	NXX_1(' '),
+	PROPORTIONAL('∝'),
-	NXX_2(' '),
+	INFINITY('∞'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9d/FCDotPIE9DDash03.java

@@ -37,9 +37,9 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9DDash03 implements FourCornerDotCollePie9 {
 	
-	CJK_NEG_1('一', '\u20E5'),
+	NXX_1('⊶'),
-	CJK_NEG_2('二', '\u20E5'),
+	NXX_2('⊷'),
-	CJK_NEG_3('三', '\u20E5'),
+	NXX_3('⊸'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9d/FCDotPIE9DDash04.java

@@ -37,10 +37,10 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9DDash04 implements FourCornerDotCollePie9 {
 	
-	NXX_01(' '),
+	NXX_01('∟'),
-	NXX_02(' '),
+	NXX_02('∠'),
-	NXX_03(' '),
+	NXX_03('∡'),
-	NXX_04(' '),
+	NXX_04('∢'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9d/FCDotPIE9DDash14.java

@@ -37,20 +37,20 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9DDash14 implements FourCornerDotCollePie9 {
 	
-	NXX_01(' '),
+	NXX_01('⊏'),
-	NXX_02(' '),
+	NXX_02('⊐'),
-	NXX_03(' '),
+	NXX_03('⊑'),
-	NXX_04(' '),
+	NXX_04('⊒'),
-	NXX_05(' '),
+	NXX_05('⊓'),
-	NXX_06(' '),
+	NXX_06('⊔'),
-	NXX_07(' '),
+	NXX_07('⋢'),
-	NXX_08(' '),
+	NXX_08('⋣'),
-	NXX_09(' '),
+	NXX_09('⋤'),
-	NXX_10(' '),
+	NXX_10('⋥'),
-	NXX_11(' '),
+	NXX_11('⊞'),
-	NXX_12(' '),
+	NXX_12('⊟'),
-	NXX_13(' '),
+	NXX_13('⊠'),
-	NXX_14(' '),
+	NXX_14('⊡'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/pie9d/FCDotPIE9DDash15.java

@@ -37,21 +37,21 @@ import org.x4o.fc18.cake2.zero33.FCDotCDC1604DashP6;
  */
 public enum FCDotPIE9DDash15 implements FourCornerDotCollePie9 {
 	
-	NXX_01(' '),
+	NXX_01('⊂'),
-	NXX_02(' '),
+	NXX_02('⊃'),
-	NXX_03(' '),
+	NXX_03('⊄'),
-	NXX_04(' '),
+	NXX_04('⊅'),
-	NXX_05(' '),
+	NXX_05('⊆'),
-	NXX_06(' '),
+	NXX_06('⊇'),
-	NXX_07(' '),
+	NXX_07('⊈'),
-	NXX_08(' '),
+	NXX_08('⊉'),
-	NXX_09(' '),
+	NXX_09('⊊'),
-	NXX_10(' '),
+	NXX_10('⊋'),
-	NXX_11(' '),
+	NXX_11('⋈'),
-	NXX_12(' '),
+	NXX_12('⋉'),
-	NXX_13(' '),
+	NXX_13('⋊'),
-	NXX_14(' '),
+	NXX_14('⋋'),
-	NXX_15(' '),
+	NXX_15('⋌'),
 	;
 	private final List<Integer> codePointDisplay;
 	

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/zero33/FCDotBYD0127DashP7F.java

@@ -49,16 +49,18 @@ public enum FCDotBYD0127DashP7F implements FourCornerDotColleZero33 {
 	BLK1_13('▍'),
 	BLK1_14('▎'),
 	BLK1_15('▏'),
-	BLK1_16('▐'),
-	BLK1_17('▕'),
 	
-	BOX3_18('╭'),
+	BOX3_16('╭'),
-	BOX3_19('╮'),
+	BOX3_17('╮'),
-	BOX3_20('╯'),
+	BOX3_18('╯'),
-	BOX3_21('╰'),
+	BOX3_19('╰'),
+
+	BLK2_20('▔'),
+	BLK2_21('╏'),
 	
-	BLK2_22('▔'),
+	BLK1_22('▕'),
-	BLK2_23('▀'),
+	BLK1_23('▐'),
+
 	BLK2_24('▛'),
 	BLK2_25('▜'),
 	BLK2_26('▟'),

nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/zero33/FCDotDEC2701DashPX0.java

@@ -36,14 +36,12 @@ import org.x4o.fc18.cake2.FourCornerX18CakePointDotIndex;
  * 
  * A 8 or 18 bit computer used these escape cake points directly.
  * 
- * NOTE: Only escapes starting with _ESC6_X3 are allowed to embed in a escape sequence.
- * 
  * @author Willem Cazander
  * @version 1.0 Dec 24, 2024
  */
 public enum FCDotDEC2701DashPX0 implements FourCornerX06BaklavaPointSequence, FourCornerX08MuffinPointSequence, FourCornerX18CakePointDotIndex {
 	
-	// =========== External escape sequence, who MUST terminate with SEQ_SALAH__EXCLAMATION.
+	// =========== External escape sequence, who MUST terminate with !
 	
 	/// _ESC6_X1 _ESC6_X1 _ESC6_X1 = 1
 	_ESC_USER_1,