diff --git a/treble/combined_build_test.sh b/treble/combined_build_test.sh
index c0a29a30a..b91ee1f5f 100755
--- a/treble/combined_build_test.sh
+++ b/treble/combined_build_test.sh
@@ -15,11 +15,11 @@
 # limitations under the License.
 
 usage() {
-    echo "usage: ${0} -t TARGET -v VARIANT [-d DIST_OUT] [-a ALTER_TARGET] [-c] [-o] [-r] [GOALS ...]"
+    echo "usage: ${0} -t TARGET -v VARIANT [-d DIST_OUT] [[-a ALTER_TARGET] ...] [-c] [-o] [-r] [GOALS ...]"
     echo "  -t TARGET      : Primay target to build"
     echo "  -v VARIANT     : Build variant (ex. user, userdebug)"
     echo "  -d DIST_OUT    : Path for dist out"
-    echo "  -a ALTER_TARGET: The secondary target that shares the build artifacts with the primary target"
+    echo "  -a ALTER_TARGET: Alternative targets that share the build artifacts with the primary target"
     echo "  -c             : Run the target build again after installclean for reference"
     echo '  -o             : Write build time results to "build_time_results.txt" file in "${OUT_DIR}" or "${DIST_OUT}/logs" if -d defined'
     echo "  -r             : Dryrun to see the commands without actually building the targets"
@@ -31,7 +31,7 @@ while getopts ha:cd:ort:v: opt; do
             usage
             ;;
         a)
-            alter_target="${OPTARG}"
+            alter_targets+=("${OPTARG}")
             ;;
         c)
             installclean="true"
@@ -67,6 +67,10 @@ if [[ -z "${variant}" ]]; then
     usage
     exit 1
 fi
+if [ "${#alter_targets[@]}" -eq 1 ]; then
+    # test for a-b-a builds
+    alter_targets+=("${target}")
+fi
 
 goals="${@:OPTIND}"
 
@@ -84,7 +88,7 @@ if [[ -n "${dist_dir}" ]]; then
 fi
 
 run_command() {
-    echo "Running: ${1}"
+    echo "**Running: ${1}"
     if [[ -z "${dry_run}" ]]; then
         eval "${1}"
     fi
@@ -111,40 +115,36 @@ if [[ -n "${result_out}" ]]; then
 fi
 
 # Build the target first.
-echo "Initial build..."
+echo; echo "Initial build..."
 run_command "${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} ${goals}"
 
 if [[ -n "${installclean}" ]]; then
     # Run the same build after installclean
-    echo "Installclean..."
+    echo; echo "Installclean for incremental build..."
     run_command "${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} installclean"
     echo "Build the same initial build..."
     run_command "${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} NINJA_ARGS=\"-d explain\" ${goals}"
     get_build_trace "build_${target}_installclean.trace.gz"
+    echo "Installclean to prepare for the next build..."
+    run_command "${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} installclean"
 fi
 
-if [[ -n "${alter_target}" ]]; then
-    # Building two targets with a single artifacts
-    echo "Installclean for the alternative target..."
-    run_command "${base_command} TARGET_PRODUCT=${alter_target} TARGET_BUILD_VARIANT=${variant} installclean"
-    if [[ -n "${dist_dir}" ]]; then
-        # Remove target-specific dist artifacts from the previous build
-        run_command "rm -f ${dist_dir}/${target}*"
-    fi
-    echo "Build the alternative target..."
+count=0
+# Building the next targets in sequence
+for alter_target in "${alter_targets[@]}"; do
+    count=$((${count}+1))
+    echo; echo "Build ${alter_target}...(${count})"
     run_command "${base_command} TARGET_PRODUCT=${alter_target} TARGET_BUILD_VARIANT=${variant} NINJA_ARGS=\"-d explain\" ${goals}"
-    get_build_trace "build_${alter_target}_ab.trace.gz"
+    get_build_trace "build_${alter_target}_ab${count}.trace.gz"
+
+    echo "Installclean for ${alter_target}..."
+    run_command "${base_command} TARGET_PRODUCT=${alter_target} TARGET_BUILD_VARIANT=${variant} installclean"
 
-    echo "Installclean for the primary target..."
-    run_command "${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} installclean"
     if [[ -n "${dist_dir}" ]]; then
-        # Remove target-specific dist artifacts from the previous build
+        # Remove target-specific dist artifacts
         run_command "rm -f ${dist_dir}/${alter_target}*"
     fi
-    echo "Build the primary target again..."
-    run_command "${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} NINJA_ARGS=\"-d explain\" ${goals}"
-    get_build_trace "build_${target}_aba.trace.gz"
-fi
+done
 
 if [[ -n "${dist_dir}" ]]; then
     # Remove some dist artifacts to save disk space