diff --git a/core/src/love/distributedrebirth/demo4d/base2t/T60Sexagesimal.java b/core/src/love/distributedrebirth/demo4d/base2t/T60Sexagesimal.java
index 3fb9e72b..a5043c0b 100644
--- a/core/src/love/distributedrebirth/demo4d/base2t/T60Sexagesimal.java
+++ b/core/src/love/distributedrebirth/demo4d/base2t/T60Sexagesimal.java
@@ -1,5 +1,109 @@
 package love.distributedrebirth.demo4d.base2t;
 
-public enum T60Sexagesimal {
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+
+import love.distributedrebirth.demo4d.base2t.facet.BaseFacet;
+import love.distributedrebirth.demo4d.base2t.facet.BaseFacetKey;
+
+public enum T60Sexagesimal implements BaseFacet {
 	// TODO impl too
+	PART_1 ("˧","0","","100"),
+	PART_2 ("˧","1","","101"), // ?
+	PART_3 ("˧","2","",""),
+	PART_4 ("˧","3","",""),
+	PART_5 ("˧","4","",""),
+	PART_6 ("˧","5","",""),
+	PART_7 ("˧","6","",""),
+	PART_8 ("˧","7","",""),
+	PART_9 ("˧","8","",""),
+	PART_10("˧","9","",""),
+	PART_11("˧","10","",""),
+	PART_12("˧","11","",""),
+	PART_13("˧","","",""),
+	PART_14("˧","","",""),
+	PART_15("˧","","",""),
+	PART_16("˧","","",""),
+	PART_17("˧","","",""),
+	PART_18("˧","","",""),
+	PART_19("˧","","",""),
+	PART_20("˧","","",""),
+	PART_21("˧","","",""),
+	PART_22("˧","","",""),
+	PART_23("˧","","",""),
+	PART_24("˧","","",""),
+	PART_25("˧","","",""),
+	PART_26("˧","","",""),
+	PART_27("˧","","",""),
+	PART_28("˧","","",""),
+	PART_29("˧","","",""),
+	PART_30("˧","","",""),
+	PART_31("˧","","",""),
+	PART_32("˧","","",""),
+	PART_33("˧","","",""),
+	PART_34("˧","","",""),
+	PART_35("˧","","",""),
+	PART_36("˧","","",""),
+	PART_37("˧","","",""),
+	PART_38("˧","","",""),
+	PART_39("˧","","",""),
+	PART_40("˧","","",""),
+	PART_41("˧","","",""),
+	PART_42("˧","","",""),
+	PART_43("˧","","",""),
+	PART_44("˧","","",""),
+	PART_45("˧","","",""),
+	PART_46("˧","","",""),
+	PART_47("˧","","",""),
+	PART_48("˧","","",""),
+	PART_49("˧","","",""),
+	PART_50("˧","","",""),
+	PART_51("˧","","",""),
+	PART_52("˧","","",""),
+	PART_53("˧","","",""),
+	PART_54("˧","","",""),
+	PART_55("˧","","",""),
+	PART_56("˧","","",""),
+	PART_57("˧","","",""),
+	PART_58("˧","","",""),
+	PART_59("˧","","",""),
+	PART_60("˧","","",""),
+	;
+	
+	public static int LENGTH = 60;
+	private final Map<BaseFacetKey, Object> facetStore = new HashMap<>();
+	private static final Map<String, T60Sexagesimal> TONE_MAP = Collections.unmodifiableMap(
+			Arrays.asList(values()).stream().collect(Collectors.toMap(v -> v.getIdentifierTone(), v -> v)));
+	private static final Map<String, T60Sexagesimal> CHINA_MAP = Collections.unmodifiableMap(
+			Arrays.asList(values()).stream().collect(Collectors.toMap(v -> v.getChinaKey(), v -> v)));
+	
+	private T60Sexagesimal(String idTone, String idLetter, String chinaKey, String chinaValue) {
+		this.getFacetStore().put(BaseFacetKey.ID_TONE, idTone);
+		this.getFacetStore().put(BaseFacetKey.ID_LETTER, idLetter);
+		this.getFacetStore().put(BaseFacetKey.CHINA_KEY, chinaKey);
+		this.getFacetStore().put(BaseFacetKey.CHINA_VALUE, chinaValue);
+	}
+	
+	@Override
+	public Map<BaseFacetKey, Object> getFacetStore() {
+		return facetStore;
+	}
+	
+	public static void forEach(Consumer<T60Sexagesimal> consumer) {
+		for (T60Sexagesimal value:values()) {
+			consumer.accept(value);
+		}
+	}
+	
+	public static T60Sexagesimal valueOfTone(String identifierTone) {
+		return TONE_MAP.get(identifierTone);
+	}
+	
+	public static T60Sexagesimal valueOfChina(String chinaKey) {
+		return CHINA_MAP.get(chinaKey);
+	}
 }
diff --git a/core/src/love/distributedrebirth/demo4d/base2t/V654Tath.java b/core/src/love/distributedrebirth/demo4d/base2t/V654Tath.java
deleted file mode 100644
index 6877c06d..00000000
--- a/core/src/love/distributedrebirth/demo4d/base2t/V654Tath.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package love.distributedrebirth.demo4d.base2t;
-
-/**
- * Holds an 1620 bit value.
- * 
- * @author willemtsade ©Δ∞ 仙上主天
- * 
- */
-public class V654Tath {
-
-	// TODO: 27(V01BTemvig) * T60Sexagesimal
-}
diff --git a/core/src/love/distributedrebirth/demo4d/base2t/V654Triz.java b/core/src/love/distributedrebirth/demo4d/base2t/V654Triz.java
new file mode 100644
index 00000000..7b0d2bd5
--- /dev/null
+++ b/core/src/love/distributedrebirth/demo4d/base2t/V654Triz.java
@@ -0,0 +1,53 @@
+package love.distributedrebirth.demo4d.base2t;
+
+/**
+ * Holds an 1620 bit value.
+ * 
+ * @author willemtsade ©Δ∞ 仙上主天
+ * 
+ */
+public class V654Triz implements BaseNumberTyte<V654Triz> {
+
+	public static int BIT_COUNT = V01BTemvig.BIT_COUNT * T60Sexagesimal.LENGTH;
+	private V01BTemvig[] values = new V01BTemvig[T60Sexagesimal.LENGTH];
+	
+	public V654Triz() {
+		for (int i=0;i<T60Sexagesimal.LENGTH;i++) {
+			this.values[i] = new V01BTemvig();
+		}
+	}
+	
+	public V654Triz(T08PartOctalBaseIterator values) {
+		for (int i=0;i<T60Sexagesimal.LENGTH;i++) {
+			this.values[i] = new V01BTemvig(values);
+		}
+	}
+	
+	public V01BTemvig getValue(T60Sexagesimal part) {
+		return values[part.ordinal()];
+	}
+	
+	public void setValue(T60Sexagesimal part, V01BTemvig value) {
+		values[part.ordinal()] = value;
+	}
+	
+	@Override
+	public int getBitCount() {
+		return BIT_COUNT;
+	}
+	
+	@Override
+	public V654Triz toClone() {
+		return new V654Triz(cloneIterator());
+	}
+	
+	@Override
+	public void fillOctalValues(T08PartOctalBaseAppender appender) {
+		T60Sexagesimal.forEach(v -> getValue(v).fillOctalValues(appender));
+	}
+
+	@Override
+	public void fillTyteValues(V009TyteBaseAppender appender) {
+		T60Sexagesimal.forEach(v -> getValue(v).fillTyteValues(appender));
+	}
+}
diff --git a/core/src/love/distributedrebirth/demo4d/base2t/VCA8Tath.java b/core/src/love/distributedrebirth/demo4d/base2t/VCA8Tath.java
new file mode 100644
index 00000000..6a21952a
--- /dev/null
+++ b/core/src/love/distributedrebirth/demo4d/base2t/VCA8Tath.java
@@ -0,0 +1,54 @@
+package love.distributedrebirth.demo4d.base2t;
+
+/**
+ * Holds an 3240 bit value.
+ * 
+ * @author willemtsade ©Δ∞ 仙上主天
+ * 
+ */
+public class VCA8Tath implements BaseNumberTyte<VCA8Tath> {
+
+	public static int BIT_COUNT = V654Triz.BIT_COUNT * T02PartBinary.LENGTH;
+	private V654Triz[] values = new V654Triz[T02PartBinary.LENGTH];
+	
+	public VCA8Tath() {
+		this(new V654Triz(), new V654Triz());
+	}
+	
+	public VCA8Tath(T08PartOctalBaseIterator values) {
+		this(new V654Triz(values), new V654Triz(values));
+	}
+	
+	private VCA8Tath(V654Triz valueHigh, V654Triz valueLow) {
+		setValue(T02PartBinary.PART_1, valueHigh);
+		setValue(T02PartBinary.PART_2, valueLow);
+	}
+	
+	public V654Triz getValue(T02PartBinary part) {
+		return values[part.ordinal()];
+	}
+	
+	public void setValue(T02PartBinary part, V654Triz value) {
+		values[part.ordinal()] = value;
+	}
+	
+	@Override
+	public int getBitCount() {
+		return BIT_COUNT;
+	}
+	
+	@Override
+	public VCA8Tath toClone() {
+		return new VCA8Tath(cloneIterator());
+	}
+	
+	@Override
+	public void fillOctalValues(T08PartOctalBaseAppender appender) {
+		T02PartBinary.forEach(v -> getValue(v).fillOctalValues(appender));
+	}
+
+	@Override
+	public void fillTyteValues(V009TyteBaseAppender appender) {
+		T02PartBinary.forEach(v -> getValue(v).fillTyteValues(appender));
+	}
+}
diff --git a/core/src/love/distributedrebirth/demo4d/fraction4d/KaassGetậl.java b/core/src/love/distributedrebirth/demo4d/fraction4d/KaassGetậl.java
index 133b96ca..0a680ec2 100644
--- a/core/src/love/distributedrebirth/demo4d/fraction4d/KaassGetậl.java
+++ b/core/src/love/distributedrebirth/demo4d/fraction4d/KaassGetậl.java
@@ -1,6 +1,74 @@
 package love.distributedrebirth.demo4d.fraction4d;
 
-public class KaassGetậl {
+import love.distributedrebirth.demo4d.base2t.BaseNumberTyte;
+import love.distributedrebirth.demo4d.base2t.T08PartOctalBaseAppender;
+import love.distributedrebirth.demo4d.base2t.T08PartOctalBaseIterator;
+import love.distributedrebirth.demo4d.base2t.V009TyteBaseAppender;
 
-	// array of KlompGetậl sliced as cheese
+/**
+ *  Array of KlompGetậl sliced as cheese.
+ *  
+ * @author willemtsade ©Δ∞ 仙上主天
+ * 
+ */
+public class KaassGetậl implements BaseNumberTyte<KaassGetậl> {
+	
+	private KlompGetậl[] kaas;
+	private final int kaasCuts;
+	
+	public KaassGetậl(int kaasCuts) {
+		this.kaasCuts = kaasCuts;
+		this.kaas = new KlompGetậl[kaasCuts];
+	}
+	
+	public final int getKaasCuts() {
+		return kaasCuts;
+	}
+	
+	private final int validatePartRequest(int part) {
+		if (part < 0) {
+			throw new IllegalArgumentException("Requested part is negative");
+		}
+		if (part > kaasCuts) {
+			throw new IllegalArgumentException("Requested part exceeds kaasCuts storage");
+		}
+		return part;
+	}
+	
+	public final KlompGetậl getValue(int part) {
+		return kaas[validatePartRequest(part)];
+	}
+	
+	public final void setValue(int part, KlompGetậl value) {
+		kaas[validatePartRequest(part)] = value;
+	}
+	
+	@Override
+	public final KaassGetậl toClone() {
+		KaassGetậl result = new KaassGetậl(getKaasCuts());
+		T08PartOctalBaseIterator clonedOctals = cloneIterator();
+		for (int i=0;i<getKaasCuts();i++) {
+			result.setValue(i, new KlompGetậl(clonedOctals));
+		}
+		return result;
+	}
+	
+	@Override
+	public final int getBitCount() {
+		return KlompGetậl.BIT_COUNT * kaasCuts;
+	}
+	
+	@Override
+	public final void fillOctalValues(T08PartOctalBaseAppender appender) {
+		for (KlompGetậl value:kaas) {
+			value.fillOctalValues(appender);
+		}
+	}
+	
+	@Override
+	public void fillTyteValues(V009TyteBaseAppender appender) {
+		for (KlompGetậl value:kaas) {
+			value.fillTyteValues(appender);
+		}
+	}
 }
diff --git a/core/src/love/distributedrebirth/demo4d/fraction4d/KlompGetậl.java b/core/src/love/distributedrebirth/demo4d/fraction4d/KlompGetậl.java
index 51ff2632..9172d7cf 100644
--- a/core/src/love/distributedrebirth/demo4d/fraction4d/KlompGetậl.java
+++ b/core/src/love/distributedrebirth/demo4d/fraction4d/KlompGetậl.java
@@ -1,7 +1,64 @@
 package love.distributedrebirth.demo4d.fraction4d;
 
-public class KlompGetậl {
+import love.distributedrebirth.demo4d.base2t.BaseNumberTyte;
+import love.distributedrebirth.demo4d.base2t.T08PartOctal;
+import love.distributedrebirth.demo4d.base2t.T08PartOctalBaseAppender;
+import love.distributedrebirth.demo4d.base2t.T08PartOctalBaseIterator;
+import love.distributedrebirth.demo4d.base2t.V009TyteBaseAppender;
+import love.distributedrebirth.demo4d.base2t.V654Triz;
+import love.distributedrebirth.demo4d.base2t.VCA8Tath;
 
-	// 4 * V654Tath red
-	// 4 * V654Tath blue
+/**
+ * Holds an 25920 bit value. (3240 bytes)
+ * 
+ * 4 * VCA8Tath red
+ * 4 * VCA8Tath blue
+ * 
+ * @author willemtsade ©Δ∞ 仙上主天
+ * 
+ */
+public class KlompGetậl implements BaseNumberTyte<KlompGetậl> {
+
+	public static int BIT_COUNT = V654Triz.BIT_COUNT * T08PartOctal.LENGTH;
+	private final VCA8Tath[] values = new VCA8Tath[T08PartOctal.LENGTH];
+	
+	public KlompGetậl() {
+		for (int i=0;i<T08PartOctal.LENGTH;i++) {
+			this.values[i] = new VCA8Tath();
+		}
+	}
+	
+	public KlompGetậl(T08PartOctalBaseIterator values) {
+		for (int i=0;i<T08PartOctal.LENGTH;i++) {
+			this.values[i] = new VCA8Tath(values);
+		}
+	}
+	
+	public VCA8Tath getValue(T08PartOctal part) {
+		return values[part.ordinal()];
+	}
+	
+	public void setValue(T08PartOctal part, VCA8Tath value) {
+		values[part.ordinal()] = value;
+	}
+	
+	@Override
+	public int getBitCount() {
+		return BIT_COUNT;
+	}
+	
+	@Override
+	public KlompGetậl toClone() {
+		return new KlompGetậl(cloneIterator());
+	}
+	
+	@Override
+	public void fillOctalValues(T08PartOctalBaseAppender appender) {
+		T08PartOctal.forEach(v -> getValue(v).fillOctalValues(appender));
+	}
+	
+	@Override
+	public void fillTyteValues(V009TyteBaseAppender appender) {
+		T08PartOctal.forEach(v -> getValue(v).fillTyteValues(appender));
+	}
 }