diff --git a/eo-maven-plugin/tuple-to-java-old.xml b/eo-maven-plugin/tuple-to-java-old.xml
new file mode 100644
index 0000000000..e2c4b5851c
--- /dev/null
+++ b/eo-maven-plugin/tuple-to-java-old.xml
@@ -0,0 +1,137 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<program dob="2023-03-19T00:00:00"
+         ms="2"
+         name="scenario"
+         revision="1234567"
+         time="2023-11-29T10:28:47.640830Z"
+         version="0.0-SNAPSHOT">
+   <listing>[] &gt; foo
+  * 1 2 (* 3 4) &gt; @
+
+[] &gt; bar
+  zz 42 * &gt; tt
+
+[] &gt; baz
+  """
+  абвгд
+  """ &gt; @
+</listing>
+   <errors/>
+   <sheets>
+      <sheet>add-default-package</sheet>
+      <sheet>classes</sheet>
+      <sheet>attrs</sheet>
+      <sheet>data</sheet>
+      <sheet>to-java</sheet>
+   </sheets>
+   <license/>
+   <metas/>
+   <objects>
+      <class abstract="" java-name="EOfoo" line="1" name="foo" pos="0">
+         <java>
+/*  */
+import org.eolang.*;
+
+// &lt;o abstract="" line="1" name="foo" pos="0"&gt;
+//   &lt;o base="org.eolang.tuple" line="2" name="@" pos="2" star=""&gt;
+//     &lt;o base="org.eolang.int" data="bytes" line="2" pos="4"&gt;00 00 00 00 00 00 00 01&lt;/o&gt;
+//     &lt;o base="org.eolang.int" data="bytes" line="2" pos="6"&gt;00 00 00 00 00 00 00 02&lt;/o&gt;
+//     &lt;o base="org.eolang.tuple" line="2" pos="9" star=""&gt;
+//       &lt;o base="org.eolang.int" data="bytes" line="2" pos="11"&gt;00 00 00 00 00 00 00 03&lt;/o&gt;
+//       &lt;o base="org.eolang.int" data="bytes" line="2" pos="13"&gt;00 00 00 00 00 00 00 04&lt;/o&gt;
+//     &lt;/o&gt;
+//   &lt;/o&gt;
+// &lt;/o&gt;
+@XmirObject(name = "foo", oname = "foo", source = "")
+public final class EOfoo extends PhDefault {
+
+  public EOfoo(final Phi sigma) {
+    super(sigma);
+    this.add("φ", new AtOnce(new AtComposite(this, rho -&gt; {
+      Phi ret = Phi.Φ.attr("org").get().attr("eolang").get().attr("tuple").get();
+        ret = new PhLocated(ret, 2, 2, "");
+      ret = new PhCopy(ret);
+        Phi ret_1 = new EOorg.EOeolang.EOint(Phi.Φ);
+          ret_1 = new PhLocated(ret_1, 2, 4, "");
+          ret_1 = new PhWith(ret_1, 0, new Data.Value&lt;&gt;(new byte[] {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01}));
+        Phi ret_2 = new EOorg.EOeolang.EOint(Phi.Φ);
+          ret_2 = new PhLocated(ret_2, 2, 6, "");
+          ret_2 = new PhWith(ret_2, 0, new Data.Value&lt;&gt;(new byte[] {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02}));
+        Phi ret_3 = Phi.Φ.attr("org").get().attr("eolang").get().attr("tuple").get();
+          ret_3 = new PhLocated(ret_3, 2, 9, "");
+        ret_3 = new PhCopy(ret_3);
+          Phi ret_3_1 = new EOorg.EOeolang.EOint(Phi.Φ);
+            ret_3_1 = new PhLocated(ret_3_1, 2, 11, "");
+            ret_3_1 = new PhWith(ret_3_1, 0, new Data.Value&lt;&gt;(new byte[] {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x03}));
+          Phi ret_3_2 = new EOorg.EOeolang.EOint(Phi.Φ);
+            ret_3_2 = new PhLocated(ret_3_2, 2, 13, "");
+            ret_3_2 = new PhWith(ret_3_2, 0, new Data.Value&lt;&gt;(new byte[] {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x04}));
+          ret_3 = new PhWith(ret_3, 0, ret_3_1);
+          ret_3 = new PhWith(ret_3, 1, ret_3_2);
+        ret = new PhWith(ret, 0, ret_1);
+        ret = new PhWith(ret, 1, ret_2);
+        ret = new PhWith(ret, 2, ret_3);
+      return ret;
+    })));
+  }
+}
+</java>
+      </class>
+      <class abstract="" java-name="EObar" line="4" name="bar" pos="0">
+         <java>
+/*  */
+import org.eolang.*;
+
+// &lt;o abstract="" line="4" name="bar" pos="0"&gt;
+//   &lt;o base="org.eolang.zz" line="5" name="tt" pos="2"&gt;
+//     &lt;o base="org.eolang.int" data="bytes" line="5" pos="5"&gt;00 00 00 00 00 00 00 2A&lt;/o&gt;
+//     &lt;o base="org.eolang.tuple" line="5" pos="8" star=""/&gt;
+//   &lt;/o&gt;
+// &lt;/o&gt;
+@XmirObject(name = "bar", oname = "bar", source = "")
+public final class EObar extends PhDefault {
+
+  public EObar(final Phi sigma) {
+    super(sigma);
+    this.add("tt", new AtOnce(new AtComposite(this, rho -&gt; {
+      Phi ret = Phi.Φ.attr("org").get().attr("eolang").get().attr("zz").get();
+        ret = new PhLocated(ret, 5, 2, "");
+      ret = new PhCopy(ret);
+        Phi ret_1 = new EOorg.EOeolang.EOint(Phi.Φ);
+          ret_1 = new PhLocated(ret_1, 5, 5, "");
+          ret_1 = new PhWith(ret_1, 0, new Data.Value&lt;&gt;(new byte[] {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x2A}));
+        Phi ret_2 = Phi.Φ.attr("org").get().attr("eolang").get().attr("tuple").get();
+          ret_2 = new PhLocated(ret_2, 5, 8, "");
+        ret = new PhWith(ret, 0, ret_1);
+        ret = new PhWith(ret, 1, ret_2);
+      return ret;
+    })));
+  }
+}
+</java>
+      </class>
+      <class abstract="" java-name="EObaz" line="7" name="baz" pos="0">
+         <java>
+/*  */
+import org.eolang.*;
+
+// &lt;o abstract="" line="7" name="baz" pos="0"&gt;
+//   &lt;o base="org.eolang.string" data="bytes" line="8" name="@" pos="2"&gt;D0 B0 D0 B1 D0 B2 D0 B3 D0 B4&lt;/o&gt;
+// &lt;/o&gt;
+@XmirObject(name = "baz", oname = "baz", source = "")
+public final class EObaz extends PhDefault {
+
+  public EObaz(final Phi sigma) {
+    super(sigma);
+    this.add("φ", new AtOnce(new AtComposite(this, rho -&gt; {
+      Phi ret = new EOorg.EOeolang.EOstring(Phi.Φ);
+        ret = new PhLocated(ret, 8, 2, "");
+        ret = new PhWith(ret, 0, new Data.Value&lt;&gt;(new byte[] {(byte) 0xD0, (byte) 0xB0, (byte) 0xD0, (byte) 0xB1, (byte) 0xD0, (byte) 0xB2, (byte) 0xD0, (byte) 0xB3, (byte) 0xD0, (byte) 0xB4}));
+      return ret;
+    })));
+  }
+}
+</java>
+      </class>
+   </objects>
+</program>