diff --git a/icu4c/source/data/locales/ar.txt b/icu4c/source/data/locales/ar.txt
index 0c8fb4af88..94ae4c6e59 100644
--- a/icu4c/source/data/locales/ar.txt
+++ b/icu4c/source/data/locales/ar.txt
@@ -13,11 +13,11 @@ ar {
     }
     CollationElements { 
         Version { "2.0" }
-        Sequence { "[normalization on]&  Z <  \u0621; \u0622; \u0623; \u0624; \u0625; \u0626< \u0627< \u0628< "
+        Sequence { "[normalization on]&  Z <  \u0621<< \u0622<< \u0623<< \u0624<< \u0625<< \u0626< \u0627< \u0628< "
         "\u067E< \u0629= \u062A< \u062B< \u062C< \u0686< \u062D< \u062E< \u062F< \u0630<"
         " \u0631< \u0632< \u0698< \u0633< \u0634< \u0635< \u0636< \u0637< \u0638< \u0639"
         "< \u063A< \u0641< \u0642< \u0643< \u06AF< \u0644< \u0645< \u0646< \u0647< \u0648"
-        "< \u0649; \u064A< \u0670< \u0671< \u0672< \u0673< \u0674< \u0675< \u0676< \u0677"
+        "< \u0649<< \u064A< \u0670< \u0671< \u0672< \u0673< \u0674< \u0675< \u0676< \u0677"
         "< \u0678< \u0679< \u067A< \u067B< \u067C< \u067D< \u067F< \u0680< \u0681< \u0682"
         "< \u0683< \u0684< \u0685< \u0687< \u0688< \u0689< \u068A< \u068B< \u068C< \u068D"
         "< \u068E< \u068F< \u0690< \u0691< \u0692< \u0693< \u0694< \u0695< \u0696< \u0697"
diff --git a/icu4c/source/data/locales/cs.txt b/icu4c/source/data/locales/cs.txt
index 5a0dd1b3c8..370c58ebb8 100644
--- a/icu4c/source/data/locales/cs.txt
+++ b/icu4c/source/data/locales/cs.txt
@@ -13,8 +13,8 @@ cs {
     }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "& C < c\u030C , C\u030C& H < "
-        "ch , cH , Ch , CH & R < r\u030C , R\u030C& S < s\u030C , S\u030C& Z < z\u030C ,"
+        Sequence { "& C < c\u030C <<< C\u030C& H < "
+        "ch <<< cH <<< Ch <<< CH & R < r\u030C <<< R\u030C& S < s\u030C <<< S\u030C& Z < z\u030C <<<"
         " Z\u030C" }
     }
     Countries { 
diff --git a/icu4c/source/data/locales/da.txt b/icu4c/source/data/locales/da.txt
index f801ef5273..c1e8e027f7 100644
--- a/icu4c/source/data/locales/da.txt
+++ b/icu4c/source/data/locales/da.txt
@@ -9,9 +9,9 @@ da {
     Version {"1.1"}
     CollationElements { 
         Version { "2.0" }
-        Sequence { "& A < \u00E6\u0301 , \u00C6\u0301& Z < \u00E6 , \u00C6;"
-        " a\u0308 , A\u0308 < \u00F8 , \u00D8 ; o\u0308 , O\u0308 ; o\u030B, O\u030B< a\u030A"
-        " , A\u030A, aa , aA , Aa , AA & V, w, W & Y ; u\u0308 , U\u0308 &D < \u00F0, \u00D0 &T < \u00FE, \u00DE" }
+        Sequence { "& A < \u00E6\u0301 <<< \u00C6\u0301& Z < \u00E6 <<< \u00C6<<"
+        " a\u0308 <<< A\u0308 < \u00F8 <<< \u00D8 << o\u0308 <<< O\u0308 << o\u030B<<< O\u030B< a\u030A"
+        " <<< A\u030A<<< aa <<< aA <<< Aa <<< AA & V<<< w<<< W & Y << u\u0308 <<< U\u0308 &D < \u00F0<<< \u00D0 &T < \u00FE<<< \u00DE" }
     }
     Countries { 
         DK { "Danmark" }
diff --git a/icu4c/source/data/locales/es.txt b/icu4c/source/data/locales/es.txt
index 25347db100..300df524e0 100644
--- a/icu4c/source/data/locales/es.txt
+++ b/icu4c/source/data/locales/es.txt
@@ -9,7 +9,7 @@ es {
     Version { "1.1" }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "& N < n\u0303, N\u0303" }
+        Sequence { "& N < n\u0303<<< N\u0303" }
     }
     /* Duplicates from root commented out. */
     Countries { 
diff --git a/icu4c/source/data/locales/es__TRADITIONAL.txt b/icu4c/source/data/locales/es__TRADITIONAL.txt
index 4134c3281f..c277c2a08a 100644
--- a/icu4c/source/data/locales/es__TRADITIONAL.txt
+++ b/icu4c/source/data/locales/es__TRADITIONAL.txt
@@ -9,7 +9,7 @@ es__TRADITIONAL {
     Version { "1.0" }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "& N < n\u0303, N\u0303"
+        Sequence { "& N < n\u0303<<< N\u0303"
             "&C < ch <<< Ch <<< CH"
             "&l < ll <<< Ll <<< LL"
         }
diff --git a/icu4c/source/data/locales/et.txt b/icu4c/source/data/locales/et.txt
index 382c8ae0a4..d792e9b4c0 100644
--- a/icu4c/source/data/locales/et.txt
+++ b/icu4c/source/data/locales/et.txt
@@ -9,9 +9,9 @@ et {
     Version{ "1.0" }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "@& S < s\u030C, S\u030C < z , Z < z\u030C , Z\u030C & V"
-            " ; w , W < o\u0303 , O\u0303< a\u0308 , A\u0308 < o\u0308 , O\u0308 ; w\u0302 ,"
-            " W\u0302< u\u0308 , U\u0308& Y < \u01B6 , \u01B5"
+        Sequence { "@& S < s\u030C<<< S\u030C < z <<< Z < z\u030C <<< Z\u030C & V"
+            " << w <<< W < o\u0303 <<< O\u0303< a\u0308 <<< A\u0308 < o\u0308 <<< O\u0308 << w\u0302 <<<"
+            " W\u0302< u\u0308 <<< U\u0308& Y < \u01B6 <<< \u01B5"
         }
     }
     Countries { 
diff --git a/icu4c/source/data/locales/fi.txt b/icu4c/source/data/locales/fi.txt
index 85bdb5e210..27060084a5 100644
--- a/icu4c/source/data/locales/fi.txt
+++ b/icu4c/source/data/locales/fi.txt
@@ -9,9 +9,9 @@ fi {
     Version { "1.0" }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "& V ; w , W & Z < a\u030A , A\u030A< a\u0308 , A\u0308 "
-            "< o\u0308 , O\u0308< o\u030B , O\u030B ; \u00F8 , \u00D8&  Y ; u\u030B, U\u030B"
-            " ; u\u0308 , U\u0308"
+        Sequence { "& V << w <<< W & Z < a\u030A <<< A\u030A< a\u0308 <<< A\u0308 "
+            "< o\u0308 <<< O\u0308< o\u030B <<< O\u030B << \u00F8 <<< \u00D8&  Y << u\u030B<<< U\u030B"
+            " << u\u0308 <<< U\u0308"
         }
     }
     Countries { 
diff --git a/icu4c/source/data/locales/he.txt b/icu4c/source/data/locales/he.txt
index 928332d59a..9aa21855c1 100644
--- a/icu4c/source/data/locales/he.txt
+++ b/icu4c/source/data/locales/he.txt
@@ -10,9 +10,9 @@ he {
     CollationElements { 
         Version { "2.0" }
         Sequence { "[normalization on]& Z < \u05D0 < \u05D1 < \u05D2 < \u05D3 < \u05D4 < \u05D5 < "
-        "\u05F0 < \u05F1 < \u05D6 < \u05D7 < \u05D8 < \u05D9 < \u05F2 < \u05DA , \u05DB "
-        "< \u05DC < \u05DD , \u05DE < \u05DF , \u05E0 < \u05E1 < \u05E2 < \u05E3 , \u05E4"
-        " < \u05E5 , \u05E6 < \u05E7 < \u05E8 < \u05E9 < \u05EA" }
+        "\u05F0 < \u05F1 < \u05D6 < \u05D7 < \u05D8 < \u05D9 < \u05F2 < \u05DA <<< \u05DB "
+        "< \u05DC < \u05DD <<< \u05DE < \u05DF <<< \u05E0 < \u05E1 < \u05E2 < \u05E3 <<< \u05E4"
+        " < \u05E5 <<< \u05E6 < \u05E7 < \u05E8 < \u05E9 < \u05EA" }
     }
     Countries { 
         IL { "\u05D9\u05E9\u05E8\u05D0\u05DC" }
diff --git a/icu4c/source/data/locales/hr.txt b/icu4c/source/data/locales/hr.txt
index fb89ecb6a0..8465223e76 100644
--- a/icu4c/source/data/locales/hr.txt
+++ b/icu4c/source/data/locales/hr.txt
@@ -12,8 +12,8 @@ hr {
         Sequence {
             "& C < \u010D <<< \u010C < \u0107 <<< \u0106"
             "&\u0110 < d\u017E <<< D\u017E <<< D\u017D"
-            "& L < lj, Lj <<< LJ"
-            "& N < nj, Nj <<< NJ "
+            "& L < lj<<< Lj <<< LJ"
+            "& N < nj<<< Nj <<< NJ "
             "& S < \u0161 <<< \u0160"
             "& Z < \u017E <<< \u017D"			}
     }
diff --git a/icu4c/source/data/locales/hu.txt b/icu4c/source/data/locales/hu.txt
index 068390922d..054c3b71bb 100644
--- a/icu4c/source/data/locales/hu.txt
+++ b/icu4c/source/data/locales/hu.txt
@@ -13,11 +13,11 @@ hu {
     }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "& C < cs , cS , Cs , CS & D < \u0111, \u0110 "
-        "& G < gy, gY, Gy, GY & L < ly, lY, Ly, LY"
-        "& O < o\u0308 , O\u0308 < o\u030B , O\u030B"
-        "& S < sz , sZ , Sz , SZ & U < u\u0308 , U\u0308 < u\u030B , U\u030B"
-        "& Z < zs , zS , Zs , ZS" }
+        Sequence { "& C < cs <<< cS <<< Cs <<< CS & D < \u0111<<< \u0110 "
+        "& G < gy<<< gY<<< Gy<<< GY & L < ly<<< lY<<< Ly<<< LY"
+        "& O < o\u0308 <<< O\u0308 < o\u030B <<< O\u030B"
+        "& S < sz <<< sZ <<< Sz <<< SZ & U < u\u0308 <<< U\u0308 < u\u030B <<< U\u030B"
+        "& Z < zs <<< zS <<< Zs <<< ZS" }
     }
     Countries { 
         HU { "Magyarorsz\u00E1g" }
diff --git a/icu4c/source/data/locales/is.txt b/icu4c/source/data/locales/is.txt
index f1ea3be5c5..bb62a2b5ee 100644
--- a/icu4c/source/data/locales/is.txt
+++ b/icu4c/source/data/locales/is.txt
@@ -9,10 +9,10 @@ is {
     Version{ "1.0" }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "@& A < a\u0301, A\u0301 & D < \u00F0, \u00D0& E < e\u0301"
-        ", E\u0301 & I < i\u0301, I\u0301 & O < o\u0301, O\u0301 & U < u\u0301, U\u0301 "
-        "& Y < y\u0301, Y\u0301 & Z < \u00fe, \u00DE < \u00E6, \u00C6< o\u0308, O\u0308"
-        " ; \u00F8, \u00D8" }
+        Sequence { "@& A < a\u0301<<< A\u0301 & D < \u00F0<<< \u00D0& E < e\u0301"
+        "<<< E\u0301 & I < i\u0301<<< I\u0301 & O < o\u0301<<< O\u0301 & U < u\u0301<<< U\u0301 "
+        "& Y < y\u0301<<< Y\u0301 & Z < \u00fe<<< \u00DE < \u00E6<<< \u00C6< o\u0308<<< O\u0308"
+        " << \u00F8<<< \u00D8" }
     }
     Countries { 
         IS { "\u00CDsland" }
diff --git a/icu4c/source/data/locales/lt.txt b/icu4c/source/data/locales/lt.txt
index 9c2b066410..21c7062f01 100644
--- a/icu4c/source/data/locales/lt.txt
+++ b/icu4c/source/data/locales/lt.txt
@@ -9,9 +9,9 @@ lt {
     Version{ "1.1" }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "[backwards 2]& C < c\u030C , C\u030C & I ; y = \u0131 , Y = \u0130 "
-        "& S < s\u030C , S\u030C & X < y\u0301, Y\u0301 < y\u0302 , Y\u0302 < y\u0308, Y"
-        "\u0308 & Z < z\u030C , Z\u030C" }
+        Sequence { "[backwards 2]& C < c\u030C <<< C\u030C & I << y = \u0131 <<< Y = \u0130 "
+        "& S < s\u030C <<< S\u030C & X < y\u0301<<< Y\u0301 < y\u0302 <<< Y\u0302 < y\u0308<<< Y"
+        "\u0308 & Z < z\u030C <<< Z\u030C" }
     }
     Countries { 
         LT { "Lietuva" }
diff --git a/icu4c/source/data/locales/lv.txt b/icu4c/source/data/locales/lv.txt
index 804e4ec63e..61bae71e00 100644
--- a/icu4c/source/data/locales/lv.txt
+++ b/icu4c/source/data/locales/lv.txt
@@ -9,9 +9,9 @@ lv {
     Version{ "1.1"}
     CollationElements { 
         Version { "1.0" }
-        Sequence { "[casefirst upper][backwards 2] &C < c\u030C , C\u030C & G < g\u0327 , G\u0327 & I < "
-        "y, Y& K < k\u0327 , K\u0327 & L < l\u0327 , L\u0327 & N < n\u0327 , N\u0327 & S"
-        " < s\u030C , S\u030C & Z < z\u030C , Z\u030C" }
+        Sequence { "[casefirst upper][backwards 2] &C < c\u030C <<< C\u030C & G < g\u0327 <<< G\u0327 & I < "
+        "y<<< Y& K < k\u0327 <<< K\u0327 & L < l\u0327 <<< L\u0327 & N < n\u0327 <<< N\u0327 & S"
+        " < s\u030C <<< S\u030C & Z < z\u030C <<< Z\u030C" }
     }
     Countries { 
         LV { "Latvija" }
diff --git a/icu4c/source/data/locales/mt.txt b/icu4c/source/data/locales/mt.txt
index 6e926579e4..15ff142d0b 100644
--- a/icu4c/source/data/locales/mt.txt
+++ b/icu4c/source/data/locales/mt.txt
@@ -776,14 +776,14 @@ mt {
    CollationElements
    {
         Version { "1.0" }
-        Sequence { "& B < ċ , Ċ" // ċ  Ċ
-                   "    < c,C"      
-                   "& F < ġ, Ġ "              // ġ  Ġ
-                   "    < g,G"
-                   "    < għ , gĦ , Għ , GĦ "
-                   "& H < ħ  , Ħ "           
-                   "& Y < ż, Ż"               // ż Ż
-                   "    < z,Z" }
+        Sequence { "& B < ċ <<< Ċ" // ċ  Ċ
+                   "    < c<<<C"      
+                   "& F < ġ<<< Ġ "              // ġ  Ġ
+                   "    < g<<<G"
+                   "    < għ <<< gĦ <<< Għ <<< GĦ "
+                   "& H < ħ  <<< Ħ "           
+                   "& Y < ż<<< Ż"               // ż Ż
+                   "    < z<<<Z" }
    }
 
 // Time zone
diff --git a/icu4c/source/data/locales/nb.txt b/icu4c/source/data/locales/nb.txt
index 2879a1e4b6..77a44569e4 100644
--- a/icu4c/source/data/locales/nb.txt
+++ b/icu4c/source/data/locales/nb.txt
@@ -9,9 +9,9 @@ nb {
     Version{"1.0"}
     CollationElements {
 	    Version { "1.0" }
-		Sequence { "& Z < \u00E6, \u00C6  < a\u0308, A\u0308< \u00F8, \u00D8"
-        " < o\u0308, O\u0308< o\u030B, O\u030B < a\u030A, A\u030A, aa , aA , Aa , AA  & "
-        "V, w, W" }
+		Sequence { "& Z < \u00E6<<< \u00C6  < a\u0308<<< A\u0308< \u00F8<<< \u00D8"
+        " < o\u0308<<< O\u0308< o\u030B<<< O\u030B < a\u030A<<< A\u030A<<< aa <<< aA <<< Aa <<< AA  & "
+        "V<<< w<<< W" }
 	}
     Countries {
         NO { "Norge" }
diff --git a/icu4c/source/data/locales/nn.txt b/icu4c/source/data/locales/nn.txt
index 68203185fb..a09b03e4eb 100644
--- a/icu4c/source/data/locales/nn.txt
+++ b/icu4c/source/data/locales/nn.txt
@@ -9,9 +9,9 @@ nn{
     Version { "1.0" }
     CollationElements {
         Version { "1.0" }
-        Sequence { "& Z < \u00E6, \u00C6  < a\u0308, A\u0308< \u00F8, \u00D8"
-        " < o\u0308, O\u0308< o\u030B, O\u030B < a\u030A, A\u030A, aa , aA , Aa , AA  & "
-        "V, w, W" }
+        Sequence { "& Z < \u00E6<<< \u00C6  < a\u0308<<< A\u0308< \u00F8<<< \u00D8"
+        " < o\u0308<<< O\u0308< o\u030B<<< O\u030B < a\u030A<<< A\u030A<<< aa <<< aA <<< Aa <<< AA  & "
+        "V<<< w<<< W" }
     }
     Countries {
         NO { "Noreg" }
diff --git a/icu4c/source/data/locales/ro.txt b/icu4c/source/data/locales/ro.txt
index 6b5a3c0458..d42a0899e0 100644
--- a/icu4c/source/data/locales/ro.txt
+++ b/icu4c/source/data/locales/ro.txt
@@ -9,8 +9,8 @@ ro {
     Version{ "1.0" }
     CollationElements {
 	 	Version { "1.0" }
-		Sequence {"& A < a\u0306 , A\u0306 & D < \u0111, \u0110 & I < i\u0302"
-        " , I\u0302 & S < s\u0327 , S\u0327 & \u00DE < t\u0327 , T\u0327& Z < z\u0307 , "
+		Sequence {"& A < a\u0306 <<< A\u0306 & D < \u0111<<< \u0110 & I < i\u0302"
+        " <<< I\u0302 & S < s\u0327 <<< S\u0327 & \u00DE < t\u0327 <<< T\u0327& Z < z\u0307 <<< "
         "Z\u0307" }
 	}
     Countries { 
diff --git a/icu4c/source/data/locales/sh.txt b/icu4c/source/data/locales/sh.txt
index 332c65b925..9c525c1ae5 100644
--- a/icu4c/source/data/locales/sh.txt
+++ b/icu4c/source/data/locales/sh.txt
@@ -12,8 +12,8 @@ sh {
         Sequence {
             "& C < \u010D <<< \u010C < \u0107 <<< \u0106"
             "&\u0110 < d\u017E <<< D\u017E <<< D\u017D"
-            "& L < lj, Lj <<< LJ"
-            "& N < nj, Nj <<< NJ "
+            "& L < lj<<< Lj <<< LJ"
+            "& N < nj<<< Nj <<< NJ "
             "& S < \u0161 <<< \u0160"
             "& Z < \u017E <<< \u017D"
             }
diff --git a/icu4c/source/data/locales/sk.txt b/icu4c/source/data/locales/sk.txt
index 4f6b634729..380714f2b9 100644
--- a/icu4c/source/data/locales/sk.txt
+++ b/icu4c/source/data/locales/sk.txt
@@ -9,10 +9,10 @@ sk {
     Version{ "1.1" }
     CollationElements { 
         Version { "1.0" }
-        Sequence { "& A < a\u0308 , A\u0308 & C "
-        "< c\u030C , C\u030C & D < \u0111, \u0110 & H < ch , cH , Ch , CH & L < \u0142 ,"
-        " \u0141 & O < o\u0302 , O\u0302 & R < r\u030C , R\u030C & S < s\u030C , S\u030C"
-        " & Z < z\u030C , Z\u030C < z\u0307 , Z\u0307" }
+        Sequence { "& A < a\u0308 <<< A\u0308 & C "
+        "< c\u030C <<< C\u030C & D < \u0111<<< \u0110 & H < ch <<< cH <<< Ch <<< CH & L < \u0142 <<<"
+        " \u0141 & O < o\u0302 <<< O\u0302 & R < r\u030C <<< R\u030C & S < s\u030C <<< S\u030C"
+        " & Z < z\u030C <<< Z\u030C < z\u0307 <<< Z\u0307" }
     }
     Countries { 
         SK { "Slovensk\u00E1 republika" }
diff --git a/icu4c/source/data/locales/sl.txt b/icu4c/source/data/locales/sl.txt
index 81c7ae0b31..77f571238d 100644
--- a/icu4c/source/data/locales/sl.txt
+++ b/icu4c/source/data/locales/sl.txt
@@ -9,11 +9,11 @@ sl {
     Version{"1.1"}
     CollationElements { 
         Version { "1.0" }
-        Sequence { "& C < c\u030C , C\u030C & S < s\u030C , S\u030C & Z < z\u030C , Z\u030C" }
-//      Sequence { "& C < c\u030C , C\u030C < c\u0301 , C\u0301 & D < \u01F3"
-//        " , \u01F2 , \u01F1 < \u01C6 , \u01C5 , \u01C4 < \u0111 , \u0110 & L < \u0142 , "
-//        "\u0141 & N < nj , nJ , Nj , NJ & S < s\u030C , S\u030C < s\u0301, S\u0301 & Z <"
-//        " z\u030C , Z\u030C < z\u0301 , Z\u0301 < z\u0307 , Z\u0307 " }
+        Sequence { "& C < c\u030C <<< C\u030C & S < s\u030C <<< S\u030C & Z < z\u030C <<< Z\u030C" }
+//      Sequence { "& C < c\u030C <<< C\u030C < c\u0301 <<< C\u0301 & D < \u01F3"
+//        " <<< \u01F2 <<< \u01F1 < \u01C6 <<< \u01C5 <<< \u01C4 < \u0111 <<< \u0110 & L < \u0142 <<< "
+//        "\u0141 & N < nj <<< nJ <<< Nj <<< NJ & S < s\u030C <<< S\u030C < s\u0301<<< S\u0301 & Z <"
+//        " z\u030C <<< Z\u030C < z\u0301 <<< Z\u0301 < z\u0307 <<< Z\u0307 " }
     }
     Countries { 
         SI { "Slovenija" }
diff --git a/icu4c/source/data/locales/sv.txt b/icu4c/source/data/locales/sv.txt
index 18f155db2e..718b0a7a6e 100644
--- a/icu4c/source/data/locales/sv.txt
+++ b/icu4c/source/data/locales/sv.txt
@@ -9,9 +9,9 @@ sv {
     Version{ "1.0" }
     CollationElements {
         Version { "1.0" }
-        Sequence { "& Z < \u00E6 , \u00C6 < a\u030A , A\u030A , aa ,aA , A"
-        "a , AA< a\u0308 , A\u0308 < o\u0308 , O\u0308 ; u\u030B , U\u030B<o\u030B , O"
-        "\u030B ; \u00F8 , \u00D8 & V , w , W & Y, u\u0308 , U\u0308" }
+        Sequence { "& Z < \u00E6 <<< \u00C6 < a\u030A <<< A\u030A <<< aa <<<aA <<< A"
+        "a <<< AA< a\u0308 <<< A\u0308 < o\u0308 <<< O\u0308 << u\u030B <<< U\u030B<o\u030B <<< O"
+        "\u030B << \u00F8 <<< \u00D8 & V <<< w <<< W & Y<<< u\u0308 <<< U\u0308" }
     }
     Countries { 
         AE { "F\u00f6renade Arabemiraten" }
diff --git a/icu4c/source/data/locales/th.txt b/icu4c/source/data/locales/th.txt
index f084f799be..71de918ee0 100644
--- a/icu4c/source/data/locales/th.txt
+++ b/icu4c/source/data/locales/th.txt
@@ -138,12 +138,12 @@ th {
         // Tonal marks are primary ignorables but are treated as secondary
         // differences
         "&\u0301"                    // acute accent
-        ";\u0E47"                    //  MAITAIKHU
-        ";\u0E48"                    //  MAI EK
-        ";\u0E49"                    //  MAI THO
-        ";\u0E4A"                    //  MAI TRI
-        ";\u0E4B"                    //  MAI CHATTAWA
-        ";\u0E4C"                    //  THANTHAKHAT
+        "<<\u0E47"                    //  MAITAIKHU
+        "<<\u0E48"                    //  MAI EK
+        "<<\u0E49"                    //  MAI THO
+        "<<\u0E4A"                    //  MAI TRI
+        "<<\u0E4B"                    //  MAI CHATTAWA
+        "<<\u0E4C"                    //  THANTHAKHAT
 
 
         // These are supposed to be ignored, so I'm treating them as controls
diff --git a/icu4c/source/data/locales/uk.txt b/icu4c/source/data/locales/uk.txt
index 8d89310112..ff7f0dbd55 100644
--- a/icu4c/source/data/locales/uk.txt
+++ b/icu4c/source/data/locales/uk.txt
@@ -10,39 +10,39 @@ uk {
     CollationElements { 
         Version { "1.0" }
         Sequence { 
-            "&\u0413 < \u0491 , \u0490"
+            "&\u0413 < \u0491 <<< \u0490"
         }
 //        "& Z"
-//        "< \u0430 , \u0410 < \u0431 , \u0411 < \u0432 , \u0412 < \u0433 , \u0413 < \u0491 , \u0490"
-//        "< \u0434 , \u0414 < \u0435 , \u0415 < \u0454 , \u0404 < \u0436 , \u0416"
-//        "< \u0437 , \u0417 < \u0438 , \u0418  < \u0456 , \u0406 < \u0457 , \u0407  < \u0439 , \u0419 < \u043A , \u041A"
-//        "< \u043B , \u041B < \u043C , \u041C < \u043D , \u041D < \u043E , \u041E"
-//        "< \u043F , \u041F < \u0440 , \u0420 < \u0441 , \u0421 < \u0442 , \u0422"
-//        "< \u0443 , \u0423 < \u0444 , \u0424 < \u0445 , \u0425 < \u0446 , \u0426"
-//        "< \u0447 , \u0427 < \u0448 , \u0428 < \u0449 , \u0429 < \u044C , \u042C"
-//        "< \u044E , \u042E < \u044F , \u042F "
+//        "< \u0430 <<< \u0410 < \u0431 <<< \u0411 < \u0432 <<< \u0412 < \u0433 <<< \u0413 < \u0491 <<< \u0490"
+//        "< \u0434 <<< \u0414 < \u0435 <<< \u0415 < \u0454 <<< \u0404 < \u0436 <<< \u0416"
+//        "< \u0437 <<< \u0417 < \u0438 <<< \u0418  < \u0456 <<< \u0406 < \u0457 <<< \u0407  < \u0439 <<< \u0419 < \u043A <<< \u041A"
+//        "< \u043B <<< \u041B < \u043C <<< \u041C < \u043D <<< \u041D < \u043E <<< \u041E"
+//        "< \u043F <<< \u041F < \u0440 <<< \u0420 < \u0441 <<< \u0421 < \u0442 <<< \u0422"
+//        "< \u0443 <<< \u0423 < \u0444 <<< \u0424 < \u0445 <<< \u0425 < \u0446 <<< \u0426"
+//        "< \u0447 <<< \u0427 < \u0448 <<< \u0428 < \u0449 <<< \u0429 < \u044C <<< \u042C"
+//        "< \u044E <<< \u042E < \u044F <<< \u042F "
 //         }
 
-//      Sequence { "& 9 < \u0482 & Z< \u0430 , \u0410< \u0431 , \u0411< \u0432"
-//        " , \u0412< \u0433 , \u0413; \u0491 , \u0490; \u0495 , \u0494; \u0453 , \u0403; "
-//        "\u0493 , \u0492< \u0434 , \u0414< \u0452 , \u0402< \u0435 , \u0415; \u04BD , \u04BC"
-//        "; \u0451 , \u0401; \u04BF , \u04BE< \u0454 , \u0404< \u0436 , \u0416; \u0497 , "
-//        "\u0496; \u04C2 , \u04C1< \u0437 , \u0417; \u0499 , \u0498< \u0455 , \u0405< \u0438"
-//        " , \u0418< \u0456 , \u0406; \u04C0 < \u0457 , \u0407< \u0439 , \u0419< \u0458 ,"
-//        " \u0408< \u043A , \u041A; \u049F , \u049E; \u04C4 , \u04C3; \u049D , \u049C; \u04A1"
-//        " , \u04A0; \u045C , \u040C; \u049B , \u049A< \u043B , \u041B< \u0459 , \u0409< "
-//        "\u043C , \u041C< \u043D , \u041D; \u0463 ; \u04A3 , \u04A2; \u04A5 , \u04A4; \u04BB"
-//        " , \u04BA; \u04C8 , \u04C7< \u045A , \u040A< \u043E , \u041E; \u04A9 , \u04A8< "
-//        "\u043F , \u041F; \u04A7 , \u04A6< \u0440 , \u0420< \u0441 , \u0421; \u04AB , \u04AA"
-//        "< \u0442 , \u0422; \u04AD , \u04AC< \u045B , \u040B< \u0443 , \u0423; \u04AF , "
-//        "\u04AE< \u045E , \u040E< \u04B1 , \u04B0< \u0444 , \u0424< \u0445 , \u0425; \u04B3"
-//        " , \u04B2< \u0446 , \u0426; \u04B5 , \u04B4< \u0447 , \u0427; \u04B7 ; \u04B6; "
-//        "\u04B9 , \u04B8; \u04CC , \u04CB< \u045F , \u040F< \u0448 , \u0428< \u0449 , \u0429"
-//        "< \u044A , \u042A< \u044B , \u042B< \u044D , \u042D< \u044E , \u042E< \u044F , "
-//        "\u042F< \u044C , \u042C< \u0461 , \u0460< \u0462 < \u0465 , \u0464< \u0467 , \u0466"
-//        "< \u0469 , \u0468< \u046B , \u046A< \u046D , \u046C< \u046F , \u046E< \u0471 , "
-//        "\u0470< \u0473 , \u0472< \u0475 , \u0474; \u0477 , \u0476< \u0479 , \u0478< \u047B"
-//        " , \u047A< \u047D , \u047C< \u047F , \u047E< \u0481 , \u0480" }
+//      Sequence { "& 9 < \u0482 & Z< \u0430 <<< \u0410< \u0431 <<< \u0411< \u0432"
+//        " <<< \u0412< \u0433 <<< \u0413<< \u0491 <<< \u0490<< \u0495 <<< \u0494<< \u0453 <<< \u0403<< "
+//        "\u0493 <<< \u0492< \u0434 <<< \u0414< \u0452 <<< \u0402< \u0435 <<< \u0415<< \u04BD <<< \u04BC"
+//        "<< \u0451 <<< \u0401<< \u04BF <<< \u04BE< \u0454 <<< \u0404< \u0436 <<< \u0416<< \u0497 <<< "
+//        "\u0496<< \u04C2 <<< \u04C1< \u0437 <<< \u0417<< \u0499 <<< \u0498< \u0455 <<< \u0405< \u0438"
+//        " <<< \u0418< \u0456 <<< \u0406<< \u04C0 < \u0457 <<< \u0407< \u0439 <<< \u0419< \u0458 <<<"
+//        " \u0408< \u043A <<< \u041A<< \u049F <<< \u049E<< \u04C4 <<< \u04C3<< \u049D <<< \u049C<< \u04A1"
+//        " <<< \u04A0<< \u045C <<< \u040C<< \u049B <<< \u049A< \u043B <<< \u041B< \u0459 <<< \u0409< "
+//        "\u043C <<< \u041C< \u043D <<< \u041D<< \u0463 << \u04A3 <<< \u04A2<< \u04A5 <<< \u04A4<< \u04BB"
+//        " <<< \u04BA<< \u04C8 <<< \u04C7< \u045A <<< \u040A< \u043E <<< \u041E<< \u04A9 <<< \u04A8< "
+//        "\u043F <<< \u041F<< \u04A7 <<< \u04A6< \u0440 <<< \u0420< \u0441 <<< \u0421<< \u04AB <<< \u04AA"
+//        "< \u0442 <<< \u0422<< \u04AD <<< \u04AC< \u045B <<< \u040B< \u0443 <<< \u0423<< \u04AF <<< "
+//        "\u04AE< \u045E <<< \u040E< \u04B1 <<< \u04B0< \u0444 <<< \u0424< \u0445 <<< \u0425<< \u04B3"
+//        " <<< \u04B2< \u0446 <<< \u0426<< \u04B5 <<< \u04B4< \u0447 <<< \u0427<< \u04B7 << \u04B6<< "
+//        "\u04B9 <<< \u04B8<< \u04CC <<< \u04CB< \u045F <<< \u040F< \u0448 <<< \u0428< \u0449 <<< \u0429"
+//        "< \u044A <<< \u042A< \u044B <<< \u042B< \u044D <<< \u042D< \u044E <<< \u042E< \u044F <<< "
+//        "\u042F< \u044C <<< \u042C< \u0461 <<< \u0460< \u0462 < \u0465 <<< \u0464< \u0467 <<< \u0466"
+//        "< \u0469 <<< \u0468< \u046B <<< \u046A< \u046D <<< \u046C< \u046F <<< \u046E< \u0471 <<< "
+//        "\u0470< \u0473 <<< \u0472< \u0475 <<< \u0474<< \u0477 <<< \u0476< \u0479 <<< \u0478< \u047B"
+//        " <<< \u047A< \u047D <<< \u047C< \u047F <<< \u047E< \u0481 <<< \u0480" }
     }
     Countries { 
         UA { "\u0423\u043A\u0440\u0430\u0457\u043D\u0430" }
diff --git a/icu4c/source/data/locales/vi.txt b/icu4c/source/data/locales/vi.txt
index 7206c12cf3..d07b930214 100644
--- a/icu4c/source/data/locales/vi.txt
+++ b/icu4c/source/data/locales/vi.txt
@@ -9,9 +9,9 @@ vi {
     Version { "1.1" }
     CollationElements { 
         Version { "2.0" }
-        Sequence { "[normalization on]&\u0300;\u0309;\u0303;\u0301;"
-        "\u0323;\u0306;\u0302;\u031B"
-        "&D<\u0111,\u0110" }
+        Sequence { "[normalization on]&\u0300<<\u0309<<\u0303<<\u0301<<"
+        "\u0323<<\u0306<<\u0302<<\u031B"
+        "&D<\u0111<<<\u0110" }
     }
     Countries {
         VN { "Vi\u1EC7t Nam" }