diff --git a/nx01-x4o-o2o/src/main/java/org/x4o/o2o/fc18/FCDotDEC1604DashE2.java b/nx01-x4o-o2o/src/main/java/org/x4o/o2o/fc18/FCDotDEC1604DashE2.java
index 89e52ce..170c696 100644
--- a/nx01-x4o-o2o/src/main/java/org/x4o/o2o/fc18/FCDotDEC1604DashE2.java
+++ b/nx01-x4o-o2o/src/main/java/org/x4o/o2o/fc18/FCDotDEC1604DashE2.java
@@ -102,20 +102,28 @@ public enum FCDotDEC1604DashE2 {
 	UNDEFINED__NX26_Z,
 	UNDEFINED__NX27_AMPERSAND,
 	
-	// Encode 21 bit unicode-1 code point ??
-	// _RESERVED1_UNICODE1(), // todo move down
-	// Unicode-4 is 72 bit stroke blocks, which are 12 P6 code points to align.
-	// _WORD_ESC + _TEST_UNICODE4 + <stroke-amount> + manyStrokeBlocks
-	// _RESERVED4_UNICODE4(), // todo move down
+	// TODO LIST;
 	//
-	// Historical glue for ansi codes, TODO: put on P6 index number of '[' and ???
+	// Encode pie numbers 28 and above !!!
+	// XXX_ESC_PIE_2(),
+	// XXX_ESC_PIE_3(),
+	// XXX_ESC_PIE_4(),
+	//
+	// Encode 18 full 18 bit FC word in 6 bit !!! 
+	// XXX_FOUR_CORNER(),
+	//
+	// Encode 21 bit unicode-1 code point ???
+	// XXX_UNICODE1(),
+	//
+	// Encode 72 bit Unicode-4 !!!
+	// XXX_UNICODE4(), // _WORD_ESC + _TEST_UNICODE4 + <stroke-amount> + manyStrokeBlocks
+	//
+	// Historical glue for ansi codes ???
 	// TAG_ANSI_UPPER,
 	// TAG_ANSI_LOWER,
+	// TAG_ANSI_C0, // bell,backspace,tab etc,  
 	//
-	// used for bell,backspace,tab etc, TODO: fix free index number in current ansi escape codes.
-	// TAG_ANSI_C0, 
-	//
-	// TODO: Re-impl simple like VT52 see https://en.wikipedia.org/wiki/ANSI_escape_code 
+	// Example VT52 see https://en.wikipedia.org/wiki/ANSI_escape_code 
 	// - ESC [
 	// - any number (including none) of "parameter bytes" in the range 0x30–0x3F (ASCII 0–9:;<=>?),
 	// - any number of "intermediate bytes" in the range 0x20–0x2F (ASCII space and !"#$%&'()*+,-./),
@@ -129,8 +137,20 @@ public enum FCDotDEC1604DashE2 {
 	// with terminator codes;
 	// On 6 bit P6DEC system with takes __ESC+TAG_SQUARE_LEFT+__PIE+NX09_I+NX01_A
 	// On 18 bit P6DEC system with takes TAG_ANSI_UPPER+__PIE+NX09_I+NX01_A
+	//
+	// TODO: full new impl+cleanup of ANSI-NG for 6 bit real computer terminals !?!
 	;
-	
+
+	static final private FCDotDEC1604DashE2[] E2_ALL = values();
+
 	private FCDotDEC1604DashE2() {
 	}
+	
+	static public int length() {
+		return E2_ALL.length;
+	}
+	
+	static public FCDotDEC1604DashE2 indexOf(int idx) {
+		return E2_ALL[idx];
+	}
 }
diff --git a/nx01-x4o-o2o/src/test/java/org/x4o/o2o/fc18/FCDotCDC1604DashP6Test.java b/nx01-x4o-o2o/src/test/java/org/x4o/o2o/fc18/FCDotCDC1604DashP6Test.java
index f92a38a..63bc072 100644
--- a/nx01-x4o-o2o/src/test/java/org/x4o/o2o/fc18/FCDotCDC1604DashP6Test.java
+++ b/nx01-x4o-o2o/src/test/java/org/x4o/o2o/fc18/FCDotCDC1604DashP6Test.java
@@ -40,7 +40,7 @@ public class FCDotCDC1604DashP6Test {
 
 	@Test
 	public void testValues() throws Exception {
-		Assertions.assertEquals(64, FCDotCDC1604DashP6.values().length);
+		Assertions.assertEquals(64, FCDotCDC1604DashP6.length());
 		boolean duplicate = false;
 		Map<Byte,FCDotCDC1604DashP6> global = new HashMap<>();
 		for (FCDotCDC1604DashP6 v : FCDotCDC1604DashP6.values()) {