diff --git a/README.md b/README.md
index bfeb777..ca863b6 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,7 @@ ROADMAP to make NX01 go outside of space-dock:
 TODO:
 
 * (DONE) JPP: Finish JediTempleBase8InfinityOne
+* FC18: move embedded unicode to the octal sand worms
 * JPP: TeŀRáàmRȧñkEnumOperator𓄯 add Ismail al-Jazari blitter++ method
 * JPP: Remove tower of babel API + dusts(doc)
 * nether: Move lingua locale tree from JPP into nether as octals
diff --git a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/FourCornerUnicodeMapper.java b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/FourCornerUnicodeMapper.java
index 2dfe41c..b5a73ee 100644
--- a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/FourCornerUnicodeMapper.java
+++ b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/FourCornerUnicodeMapper.java
@@ -143,6 +143,7 @@ public enum FourCornerUnicodeMapper {
 		return result;
 	}
 	
+	@Deprecated // TODO: move to sand worm
 	public List<Integer> embedUNI2K(String value) {
 		List<Integer> result = new ArrayList<>(value.length());
 		PrimitiveIterator.OfInt i = value.codePoints().iterator();
diff --git a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java
index 4cec22d..30e0ea7 100644
--- a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java
+++ b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java
@@ -335,8 +335,10 @@ public enum FourCornerDotCake {
 	FC_SAND_KHORKHOI(0x27000, 32768, "Sand octals of large khorkhoi"),
 	
 	/// Support lower 11 bit of unicode to be encoded with one cake point.
+	@Deprecated // TODO: move to sand worm
 	FC_UNI2K_11(0x30000 - 4096, 2048, "Unicode page point"),
 	/// Optional select for the 11 bit half word, to get full 21 bit unicode-one point.
+	@Deprecated // TODO: move to sand worm
 	FC_UNI2K_22(0x30000 - 2048, 2048, "Unicode page select"),
 	
 	// =========== Allow big terminators to learn a computer math