diff --git a/include/valik/shared.hpp b/include/valik/shared.hpp
index 48d714a6..cb0ea201 100644
--- a/include/valik/shared.hpp
+++ b/include/valik/shared.hpp
@@ -66,6 +66,7 @@ struct split_arguments
     uint8_t errors{0};
     uint8_t kmer_size{20};
     size_t threshold{};
+    bool metagenome{false};
     std::filesystem::path ref_meta_path{};
     bool write_out{false};
     bool only_split{false};
diff --git a/include/valik/split/metadata.hpp b/include/valik/split/metadata.hpp
index 9c87e061..b6b097c3 100644
--- a/include/valik/split/metadata.hpp
+++ b/include/valik/split/metadata.hpp
@@ -11,6 +11,9 @@
 #include <fstream>
 #include <ranges>
 
+#include <cereal/archives/binary.hpp> 
+#include <cereal/types/vector.hpp>
+
 namespace valik
 {
 
@@ -55,12 +58,25 @@ struct metadata
         size_t ind;
         uint64_t len;
 
+        constexpr sequence_stats() noexcept = default;
+        constexpr sequence_stats(sequence_stats const &) noexcept = default;
+        constexpr sequence_stats(sequence_stats &&) noexcept = default;
+        constexpr sequence_stats & operator=(sequence_stats const &) noexcept = default;
+        constexpr sequence_stats & operator=(sequence_stats &&) noexcept = default;
+        ~sequence_stats() noexcept = default;
+        
         sequence_stats(std::string const fasta_id, size_t const fasta_ind, uint64_t const seq_length)
         {
             id = fasta_id;
             ind = fasta_ind;
             len = seq_length;
         }
+
+        template <class Archive>
+        void serialize(Archive & archive)
+        {
+            archive(id, ind, len);
+        }
     };
 
     struct length_order
@@ -87,6 +103,13 @@ struct metadata
         uint64_t start;
         uint64_t len;
 
+        constexpr segment_stats() noexcept = default;
+        constexpr segment_stats(segment_stats const &) noexcept = default;
+        constexpr segment_stats(segment_stats &&) noexcept = default;
+        constexpr segment_stats & operator=(segment_stats const &) noexcept = default;
+        constexpr segment_stats & operator=(segment_stats &&) noexcept = default;
+        ~segment_stats() noexcept = default;
+
         segment_stats(size_t const i, size_t const ind, uint64_t const s, uint64_t const l)
         {
             id = i;
@@ -106,6 +129,12 @@ struct metadata
         {
             return std::to_string(seq_ind) + "_" + std::to_string(start) + "_" + std::to_string(len);
         }
+
+        template <class Archive>
+        void serialize(Archive & archive)
+        {
+            archive(id, seq_ind, start, len);
+        }
     };
 
     struct fasta_order
@@ -326,45 +355,9 @@ struct metadata
          */
         metadata(std::filesystem::path const & filepath)
         {
-            std::ifstream in_file(filepath);
-            if (in_file.is_open())
-            {
-                std::string seq_meta;
-                std::getline(in_file, seq_meta, '$');
-                std::stringstream seq_str(seq_meta);
-
-                std::string seq_id, fasta_ind, length;
-                total_len = 0;
-                while(std::getline(seq_str, seq_id, '\t'))
-                {
-                    std::getline(seq_str, fasta_ind, '\t');
-                    std::getline(seq_str, length, '\n');
-                    total_len += stoi(length);
-                    sequences.push_back(sequence_stats(seq_id, stoi(fasta_ind), stoi(length)));
-                }
-
-                std::string seg_meta;
-                std::getline(in_file, seg_meta);    // newline
-                std::getline(in_file, seg_meta, '$');
-                std::stringstream seg_str(seg_meta);
-
-                size_t id, seq_ind, start;
-                while (seg_str >> id)
-                {
-                    seg_str >> seq_ind;
-                    seg_str >> start;
-                    seg_str >> length;
-
-                    add_segment(id, seq_ind, start, stoi(length));
-                }
-            }
-
-            in_file.close();
-            seq_count = sequences.size();
-            seg_count = segments.size();
+            load(filepath);
         }
 
-
         /**
          * @brief Function that returns the numerical index of a sequence based on its fasta ID.
          *
@@ -407,28 +400,34 @@ struct metadata
         }
 
         /**
-         * @brief Function that serializes the metadata struct.
+         * @brief Serialize the metadata struct.
          *
          * @param filepath Output file path.
          */
-        void to_file(std::filesystem::path const & filepath)
+        void save(std::filesystem::path const & filepath) const
         {
-            std::ofstream out_file;
-            out_file.open(filepath);
-
-            stream_out(out_file);
-
-            out_file.close();
+            std::ofstream os(filepath, std::ios::binary);
+            cereal::BinaryOutputArchive archive(os);
+            archive(total_len, sequences, segments);
         }
-
+      
         /**
-         * @brief Function that streams out the metadata table.
+         * @brief Deserialise the metadata struct.
          *
-         * @param out_str Output stream.
+         * @param filepath Input file path.
          */
-        template <typename str_t>
-        void stream_out(str_t & out_str)
+        void load(std::filesystem::path const & filepath)
+        {
+            std::ifstream is(filepath, std::ios::binary);
+            cereal::BinaryInputArchive archive(is);
+            archive(total_len, sequences, segments);
+            seq_count = sequences.size();
+            seg_count = segments.size();
+        }
+
+        std::string to_string()
         {
+            std::stringstream out_str;
             for (sequence_stats const & seq : sequences)
                 out_str << seq.id << '\t' << seq.ind << '\t' << seq.len << '\n';
 
@@ -438,6 +437,8 @@ struct metadata
                 out_str << seg.id << '\t' << seg.seq_ind << '\t' << seg.start << '\t' << seg.len << '\n';
 
             out_str << "$\n";
+
+            return out_str.str();
         }
 
         double segment_length_stdev()
diff --git a/src/argument_parsing/split.cpp b/src/argument_parsing/split.cpp
index e1a2f4eb..efae81ff 100644
--- a/src/argument_parsing/split.cpp
+++ b/src/argument_parsing/split.cpp
@@ -10,7 +10,7 @@ void init_split_parser(sharg::parser & parser, split_arguments & arguments)
 {
     init_shared_meta(parser);
     parser.add_positional_option(arguments.seq_file,
-                      sharg::config{.description = "File containing database sequences.",
+                      sharg::config{.description = "File containing database sequences. If splitting --metagenome provide a list of cluster paths.",
                       .validator = sharg::input_file_validator{}});
     parser.add_option(arguments.meta_out,
                       sharg::config{.short_id = 'o',
@@ -41,6 +41,10 @@ void init_split_parser(sharg::parser & parser, split_arguments & arguments)
                       sharg::config{.short_id = '\0',
                       .long_id = "split-index",
                       .description = "Adjust the suggested segment count to create a multiple of 64 segments instead. This is suitable for building an IBF."});
+    parser.add_flag(arguments.metagenome,
+                      sharg::config{.short_id = '\0',
+                      .long_id = "metagenome",
+                      .description = "Split a clustered metagenome database. Reference input is a list of cluster paths"});
     parser.add_option(arguments.ref_meta_path,
                     sharg::config{.short_id = '\0',
                     .long_id = "ref-meta",
@@ -78,6 +82,9 @@ void run_split(sharg::parser & parser)
         arguments.meta_out.replace_extension("meta");
     }
 
+    if (!arguments.split_index && arguments.metagenome)
+        arguments.split_index = true;
+
     if (!arguments.split_index && !arguments.only_split && !parser.is_option_set("ref-meta"))
         throw sharg::parser_error{"Need to provide path to reference metadata to process a query database."};
 
diff --git a/src/valik_split.cpp b/src/valik_split.cpp
index 5724c6e1..7d0ae8a3 100644
--- a/src/valik_split.cpp
+++ b/src/valik_split.cpp
@@ -19,7 +19,8 @@ void valik_split(split_arguments & arguments)
     }
 
     metadata meta(arguments);
-    meta.to_file(arguments.meta_out);
+    meta.save(arguments.meta_out);
+
     if (!arguments.only_split)
     {
         // ==========================================
@@ -91,9 +92,9 @@ void valik_split(split_arguments & arguments)
     if (arguments.write_out)
     {
         if (arguments.split_index)
-            write_reference_segments(meta, arguments.meta_out);
+            write_reference_segments(meta, arguments.seq_file);
         else
-            write_query_segments(meta, arguments.meta_out);
+            write_query_segments(meta, arguments.seq_file);
     }
 }
 
diff --git a/test/api/valik/split/write_seg_sequences_test.cpp b/test/api/valik/split/write_seg_sequences_test.cpp
index 3fa34be7..b5217811 100644
--- a/test/api/valik/split/write_seg_sequences_test.cpp
+++ b/test/api/valik/split/write_seg_sequences_test.cpp
@@ -58,14 +58,6 @@ static void const test_reference_out(size_t overlap, size_t bins)
     }
 }
 
-TEST(write_ref_sequences, o0_b4)
-{
-    size_t overlap = 0;
-    size_t bins = 4;
-
-    test_reference_out(overlap, bins);
-}
-
 TEST(write_ref_sequences, o20_b4)
 {
     size_t overlap = 20;
@@ -74,14 +66,6 @@ TEST(write_ref_sequences, o20_b4)
     test_reference_out(overlap, bins);
 }
 
-TEST(write_ref_sequences, o0_b16)
-{
-    size_t overlap = 0;
-    size_t bins = 16;
-
-    test_reference_out(overlap, bins);
-}
-
 TEST(write_ref_sequences, o20_b16)
 {
     size_t overlap = 20;
@@ -123,14 +107,6 @@ static void const test_query_out(size_t overlap, size_t bins)
     }
 }
 
-TEST(write_query_sequences, o0_b4)
-{
-    size_t overlap = 0;
-    size_t bins = 4;
-
-    test_query_out(overlap, bins);
-}
-
 TEST(write_query_sequences, o20_b4)
 {
     size_t overlap = 20;
@@ -139,14 +115,6 @@ TEST(write_query_sequences, o20_b4)
     test_query_out(overlap, bins);
 }
 
-TEST(write_query_sequences, o0_b16)
-{
-    size_t overlap = 0;
-    size_t bins = 16;
-
-    test_query_out(overlap, bins);
-}
-
 TEST(write_query_sequences, o20_b16)
 {
     size_t overlap = 20;
diff --git a/test/cli/valik_test.cpp b/test/cli/valik_test.cpp
index ba06a3cc..b63c1dd8 100644
--- a/test/cli/valik_test.cpp
+++ b/test/cli/valik_test.cpp
@@ -55,17 +55,19 @@ TEST_P(valik_split_various, split_various_lengths)
 
     cli_test_result const result = execute_app("valik", "split",
                                                          data("various_chromosome_lengths.fasta"),
-                                                         "--out reference_metadata.txt",
+                                                         "--out query_metadata.txt",
                                                          "--seg-count ", std::to_string(seg_count),
                                                          "--pattern ", std::to_string(overlap), 
                                                          "--ref-meta ", segment_metadata_path(150, 4));
 
     EXPECT_EQ(result.exit_code, 0);
     EXPECT_EQ(result.out, std::string{});
-    EXPECT_EQ(result.err, std::string{"Sequence: chr5 is too short and will be skipped.\n"});
-    std::string const expected_segments = string_from_file(segment_metadata_path(overlap, seg_count), std::ios::binary);
-    std::string const actual_segments = string_from_file("reference_metadata.txt", std::ios::binary);
-    EXPECT_TRUE(expected_segments == actual_segments);
+    EXPECT_EQ(result.err, std::string{"Sequence: chr5 is too short and will be skipped.\n"}); 
+    auto expected_segments = valik::metadata(segment_metadata_path(overlap, seg_count));
+    std::string expected_segment_str = expected_segments.to_string();
+    auto actual_segments = valik::metadata("query_metadata.txt");
+    std::string actual_segment_str = actual_segments.to_string();
+    EXPECT_TRUE(expected_segment_str == actual_segment_str);
 }
 
 
diff --git a/test/data/consolidate/16bins50overlap_reference_metadata.tsv b/test/data/consolidate/16bins50overlap_reference_metadata.tsv
index 54fa697b..501992be 100644
Binary files a/test/data/consolidate/16bins50overlap_reference_metadata.tsv and b/test/data/consolidate/16bins50overlap_reference_metadata.tsv differ
diff --git a/test/data/consolidate/8bins50overlap_reference_metadata.tsv b/test/data/consolidate/8bins50overlap_reference_metadata.tsv
index 3f025ac5..dcca8fb9 100644
Binary files a/test/data/consolidate/8bins50overlap_reference_metadata.tsv and b/test/data/consolidate/8bins50overlap_reference_metadata.tsv differ
diff --git a/test/data/consolidate/api_test_input.sh b/test/data/consolidate/api_test_input.sh
index 83952cf4..78cd90a0 100755
--- a/test/data/consolidate/api_test_input.sh
+++ b/test/data/consolidate/api_test_input.sh
@@ -66,10 +66,9 @@ min_len=50
 
 for bin in 8 16
 do
-        valik split $ref_file --out ${bin}bins${min_len}overlap_reference_metadata.tsv --seg-count $bin --pattern $min_len --without-parameter-tuning
-
-        tail -n $((bin + 1)) ${bin}bins${min_len}overlap_reference_metadata.tsv | head -n $bin > segments.tsv
-        while read -r bin_id id start len;
+        valik split $ref_file --out ${bin}bins${min_len}overlap_reference_metadata.tsv --seg-count $bin --pattern $min_len --without-parameter-tuning --write-out        
+        grep ">" multi_seq_ref.segments.fasta | cut -c 2- | awk -F'_' '{print $1 "\t" $2 "\t" $3}' > segments.tsv
+        while read -r id start len;
         do
                 end=$(echo $start + $len | bc)
                 stellar -e $error_rate -l $min_len -o multi_seq_ref_${id}_${start}_${len}.gff \
@@ -78,8 +77,7 @@ do
 
         done < segments.tsv
 
-        rm segments.tsv
-
+        rm segments.tsv multi_seq_ref.segments.fasta
 
         cat multi_seq_ref_*.gff > ${bin}bins${min_len}overlap_dream_all.gff
         rm multi_seq_ref_*
diff --git a/test/data/datasources.cmake b/test/data/datasources.cmake
index 34a0e11b..16e7cf4a 100644
--- a/test/data/datasources.cmake
+++ b/test/data/datasources.cmake
@@ -36,7 +36,7 @@ declare_datasource (FILE 150overlap16bins15window.ibf
                 URL_HASH SHA256=fde51c6b696e5b0e1904fd20c9396385f0e1770beb24e9a6c63de57cdc9ae9e8)
 declare_datasource (FILE 150overlap16bins.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/split/single/150overlap16bins.txt
-                URL_HASH SHA256=c019d484423e2f39120992e0ef619326b8d7f6d9f46801f83f4cb676e2fd3361)
+                URL_HASH SHA256=8ea007cef91e864f91ec2cdf34b6e447fa99fe75bc0ecb2232d66cd115b9167b)
 declare_datasource (FILE 150overlap4bins13window1errors.gff.out
                 URL ${CMAKE_SOURCE_DIR}/test/data/split/single/150overlap4bins13window1errors.gff.out
                 URL_HASH SHA256=d45982f54310c2037e3b75da6cfff62179eff043d41e4987a575f0727415c4ea)
@@ -51,35 +51,23 @@ declare_datasource (FILE 150overlap4bins15window.ibf
                 URL_HASH SHA256=f38d6f8c9bbeb9eaf55690e979a32517b7963673a8b23433308db8b92333bf4a)
 declare_datasource (FILE 150overlap4bins.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/split/single/150overlap4bins.txt
-                URL_HASH SHA256=07e7b628760e3d6d3df88f28006c2416ab079d6cb3c8c9032d1538209e3d7eff)
+                URL_HASH SHA256=a6ab97f228987062cc7e77c23d119b27452a39c6faa08aea31e5f91b81d30d00)
 
 
-declare_datasource (FILE 0overlap16bins.txt
-                URL ${CMAKE_SOURCE_DIR}/test/data/split/multi/0overlap16bins.txt
-                URL_HASH SHA256=981d9d686a99586d405d7939dcd758477c079c0e6779cd95829605f466d15baa)
-declare_datasource (FILE 0overlap4bins.txt
-                URL ${CMAKE_SOURCE_DIR}/test/data/split/multi/0overlap4bins.txt
-                URL_HASH SHA256=c769012bdccd3a918c6e47a1e9bc6f3988d085babc591bfa5461982156cd4188)
 declare_datasource (FILE 20overlap16bins.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/split/multi/20overlap16bins.txt
-                URL_HASH SHA256=995f3f151b97bedb9d596bfe41f17deb54f5bf53f5065defb45f9828956665fc)
+                URL_HASH SHA256=a55fc883fa4af6813c30d04d8905c62f0caf35ffb2280bf84d27005fd944d4d0)
 declare_datasource (FILE 20overlap4bins.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/split/multi/20overlap4bins.txt
-                URL_HASH SHA256=c769012bdccd3a918c6e47a1e9bc6f3988d085babc591bfa5461982156cd4188)
+                URL_HASH SHA256=1d6a2be612c4dfd2d84dbd883fb8e1fd14fdb2d65d772ddb5f6ca21abed897ab)
 
 
-declare_datasource (FILE write_out_0_16_reference_metadata.txt
-                URL ${CMAKE_SOURCE_DIR}/test/data/split/write_out_0_16/reference_metadata.txt
-                URL_HASH SHA256=981d9d686a99586d405d7939dcd758477c079c0e6779cd95829605f466d15baa)
-declare_datasource (FILE write_out_0_4_reference_metadata.txt
-                URL ${CMAKE_SOURCE_DIR}/test/data/split/write_out_0_4/reference_metadata.txt
-                URL_HASH SHA256=c769012bdccd3a918c6e47a1e9bc6f3988d085babc591bfa5461982156cd4188)
 declare_datasource (FILE write_out_20_16_reference_metadata.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/split/write_out_20_16/reference_metadata.txt
-                URL_HASH SHA256=995f3f151b97bedb9d596bfe41f17deb54f5bf53f5065defb45f9828956665fc)
+                URL_HASH SHA256=a55fc883fa4af6813c30d04d8905c62f0caf35ffb2280bf84d27005fd944d4d0)
 declare_datasource (FILE write_out_20_4_reference_metadata.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/split/write_out_20_4/reference_metadata.txt
-                URL_HASH SHA256=c769012bdccd3a918c6e47a1e9bc6f3988d085babc591bfa5461982156cd4188)
+                URL_HASH SHA256=1d6a2be612c4dfd2d84dbd883fb8e1fd14fdb2d65d772ddb5f6ca21abed897ab)
 declare_datasource (FILE 8bins19window.ibf
                 URL ${CMAKE_SOURCE_DIR}/test/data/build/8bins19window.ibf
                 URL_HASH SHA256=3a13c890650bf857770816244ed9420295ad8bbe681dac335f687863fc79a603)
@@ -167,18 +155,19 @@ declare_datasource (FILE query.fq
                 URL ${CMAKE_SOURCE_DIR}/test/data/search/query.fq
                 URL_HASH SHA256=65fbd58c14ca2b4c2274f44fff14dbfce54dc04a89cf6759e1a69cecba933130)
 
+
 declare_datasource (FILE 16bins50overlap_dream_all.gff
                 URL ${CMAKE_SOURCE_DIR}/test/data/consolidate/16bins50overlap_dream_all.gff
                 URL_HASH SHA256=3ecd0e55e704cfd71442bd16805fe587de720e646cbe2d13675ed6249b30045f)
 declare_datasource (FILE 16bins50overlap_reference_metadata.tsv
                 URL ${CMAKE_SOURCE_DIR}/test/data/consolidate/16bins50overlap_reference_metadata.tsv
-                URL_HASH SHA256=296b7020ec5cdd78d75464dcaec82cbced9a32a22a92b857792a2a01e67effa0)
+                URL_HASH SHA256=c9a8da0a50975f667ef270097564ab43af6effa51028533a3e4cbe0d9487bbda)
 declare_datasource (FILE 8bins50overlap_dream_all.gff
                 URL ${CMAKE_SOURCE_DIR}/test/data/consolidate/8bins50overlap_dream_all.gff
                 URL_HASH SHA256=f03c93ddb758a7e9ef89e3243dca9fb49b97a1ba3239408ffc30f8ff486982c8)
 declare_datasource (FILE 8bins50overlap_reference_metadata.tsv
                 URL ${CMAKE_SOURCE_DIR}/test/data/consolidate/8bins50overlap_reference_metadata.tsv
-                URL_HASH SHA256=22ff51c797d739ebb2c12332ca7067550e191c2c5fe75ad54cb680f38e423eb5)
+                URL_HASH SHA256=881a3bdad31eb9ecdc5f8da7796411627ccaa152380020e7fb19ed17bf046b26)
 declare_datasource (FILE multi_seq_query.fasta
                 URL ${CMAKE_SOURCE_DIR}/test/data/consolidate/multi_seq_query.fasta
                 URL_HASH SHA256=6d1260dc701802924487453c19715044cbeaa0f42021be8f2996bbaac1f24c58)
@@ -252,7 +241,7 @@ declare_datasource (FILE query_meta.txt
                 URL_HASH SHA256=1eb7e99026c694bddfdd61125084264d1b2a526a174aae5c8422c418a29ad9f0)
 declare_datasource (FILE query_seg_meta.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/dream/query_seg_meta.txt
-                URL_HASH SHA256=4eea1ab7f93165dbfec9baa509a9b4d2e4deda0047da79ebcc55a5c7b2982dac)
+                URL_HASH SHA256=f307b39d1ec37cb347f2190a741bdd5008ee8af4347e710011fb9e39f7020de2)
 declare_datasource (FILE ref.fasta
                 URL ${CMAKE_SOURCE_DIR}/test/data/dream/ref.fasta
                 URL_HASH SHA256=47f808d207c4c90afebbe1c8ab28990ec0e3e777c75ec787099279005428f3da)
@@ -261,10 +250,10 @@ declare_datasource (FILE ref_meta.txt
                 URL_HASH SHA256=cfaea330c4abde12e75cec5ae8b74ffd985d2b1d4ad1620b72e064f17488e1d5)
 declare_datasource (FILE seg_meta150overlap16bins.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/dream/seg_meta150overlap16bins.txt
-                URL_HASH SHA256=fae21b4e8f3ac79d6afe30392a33c906bc6d13cfce453306fb691bc85f903379)
+                URL_HASH SHA256=8983a3f02e89fd271682f68bb49f19d67efa938b78f90332d0ebf514defccf74)
 declare_datasource (FILE seg_meta150overlap4bins.txt
                 URL ${CMAKE_SOURCE_DIR}/test/data/dream/seg_meta150overlap4bins.txt
-                URL_HASH SHA256=fb54ed4ec95d134f07e78ad3fd348e379d95fa11f29e5215dd76d509211ff324)
+                URL_HASH SHA256=1b833949d7cff65ccea1cb9cf3681db6f8e7dd890e096bd3f9e984b8acd05d95)
 declare_datasource (FILE stellar.gff
                 URL ${CMAKE_SOURCE_DIR}/test/data/dream/stellar.gff
                 URL_HASH SHA256=01993f28b0973e612a7cc3e84abdbe551c9b47a6cc7507106ff4b48071c21613)
diff --git a/test/data/dream/query_seg_meta.txt b/test/data/dream/query_seg_meta.txt
index c7a9dd48..64433e7b 100644
Binary files a/test/data/dream/query_seg_meta.txt and b/test/data/dream/query_seg_meta.txt differ
diff --git a/test/data/dream/seg_meta150overlap16bins.txt b/test/data/dream/seg_meta150overlap16bins.txt
index e55193c6..2abea4b1 100644
Binary files a/test/data/dream/seg_meta150overlap16bins.txt and b/test/data/dream/seg_meta150overlap16bins.txt differ
diff --git a/test/data/dream/seg_meta150overlap4bins.txt b/test/data/dream/seg_meta150overlap4bins.txt
index 93892d61..43cf8233 100644
Binary files a/test/data/dream/seg_meta150overlap4bins.txt and b/test/data/dream/seg_meta150overlap4bins.txt differ
diff --git a/test/data/segments.tsv b/test/data/segments.tsv
new file mode 100644
index 00000000..0d594993
--- /dev/null
+++ b/test/data/segments.tsv
@@ -0,0 +1,16 @@
+0	0	305
+0	255	305
+1	0	305
+1	255	305
+2	0	305
+2	255	305
+3	0	257
+3	207	257
+4	0	257
+4	207	257
+5	0	257
+5	207	257
+6	0	257
+6	207	257
+7	0	340
+7	290	340
diff --git a/test/data/split/multi/0overlap16bins.txt b/test/data/split/multi/0overlap16bins.txt
deleted file mode 100644
index e1e97c4d..00000000
--- a/test/data/split/multi/0overlap16bins.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-chr1	0	210
-chr2	1	490
-chr3	2	420
-chr4	3	280
-chr5	4	4
-$
-0	0	0	105
-1	0	105	105
-2	1	0	82
-3	1	82	82
-4	1	164	82
-5	1	246	82
-6	1	328	82
-7	1	410	80
-8	2	0	84
-9	2	84	84
-10	2	168	84
-11	2	252	84
-12	2	336	84
-13	3	0	94
-14	3	94	94
-15	3	188	92
-$
diff --git a/test/data/split/multi/0overlap4bins.txt b/test/data/split/multi/0overlap4bins.txt
deleted file mode 100644
index 63779da1..00000000
--- a/test/data/split/multi/0overlap4bins.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-chr1	0	210
-chr2	1	490
-chr3	2	420
-chr4	3	280
-chr5	4	4
-$
-0	0	0	210
-1	1	0	490
-2	2	0	420
-3	3	0	280
-$
diff --git a/test/data/split/multi/20overlap16bins.txt b/test/data/split/multi/20overlap16bins.txt
index 5622883d..d143388a 100644
Binary files a/test/data/split/multi/20overlap16bins.txt and b/test/data/split/multi/20overlap16bins.txt differ
diff --git a/test/data/split/multi/20overlap4bins.txt b/test/data/split/multi/20overlap4bins.txt
index 63779da1..0ca6fd3e 100644
Binary files a/test/data/split/multi/20overlap4bins.txt and b/test/data/split/multi/20overlap4bins.txt differ
diff --git a/test/data/split/single/150overlap16bins.txt b/test/data/split/single/150overlap16bins.txt
index 21e14870..ae5661da 100644
Binary files a/test/data/split/single/150overlap16bins.txt and b/test/data/split/single/150overlap16bins.txt differ
diff --git a/test/data/split/single/150overlap4bins.txt b/test/data/split/single/150overlap4bins.txt
index eda1424a..7bd8eb1d 100644
Binary files a/test/data/split/single/150overlap4bins.txt and b/test/data/split/single/150overlap4bins.txt differ
diff --git a/test/data/split/write_out_0_16/reference_metadata.txt b/test/data/split/write_out_0_16/reference_metadata.txt
deleted file mode 100644
index e1e97c4d..00000000
--- a/test/data/split/write_out_0_16/reference_metadata.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-chr1	0	210
-chr2	1	490
-chr3	2	420
-chr4	3	280
-chr5	4	4
-$
-0	0	0	105
-1	0	105	105
-2	1	0	82
-3	1	82	82
-4	1	164	82
-5	1	246	82
-6	1	328	82
-7	1	410	80
-8	2	0	84
-9	2	84	84
-10	2	168	84
-11	2	252	84
-12	2	336	84
-13	3	0	94
-14	3	94	94
-15	3	188	92
-$
diff --git a/test/data/split/write_out_0_4/reference_metadata.txt b/test/data/split/write_out_0_4/reference_metadata.txt
deleted file mode 100644
index 63779da1..00000000
--- a/test/data/split/write_out_0_4/reference_metadata.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-chr1	0	210
-chr2	1	490
-chr3	2	420
-chr4	3	280
-chr5	4	4
-$
-0	0	0	210
-1	1	0	490
-2	2	0	420
-3	3	0	280
-$
diff --git a/test/data/split/write_out_20_16/reference_metadata.txt b/test/data/split/write_out_20_16/reference_metadata.txt
index 5622883d..d143388a 100644
Binary files a/test/data/split/write_out_20_16/reference_metadata.txt and b/test/data/split/write_out_20_16/reference_metadata.txt differ
diff --git a/test/data/split/write_out_20_4/reference_metadata.txt b/test/data/split/write_out_20_4/reference_metadata.txt
index 63779da1..0ca6fd3e 100644
Binary files a/test/data/split/write_out_20_4/reference_metadata.txt and b/test/data/split/write_out_20_4/reference_metadata.txt differ