diff --git a/examples/dumppmicubed.cc b/examples/dumppmicubed.cc
new file mode 100644
index 0000000..8c3bf56
--- /dev/null
+++ b/examples/dumppmicubed.cc
@@ -0,0 +1,46 @@
+#include <typeinfo>
+#include <assert.h>
+#include <memory>
+#include <iostream>
+#include <stdint.h>
+#include "../src/collocatordb.h"
+#include <thread>
+#include <chrono>
+#include <sstream> // for ostringstream
+#include <fstream>
+
+using namespace rocksdb;
+
+  
+int main(int argc, char** argv) {
+  const int START=1;
+  const int STOP=300000;
+  uint32_t *array;
+  int done = 0;
+
+  array = (uint32_t *)malloc(STOP * 20 * sizeof(uint32_t));
+  memset(array, 0, STOP * 20 * sizeof(uint32_t));
+  FILE* pFile;
+  CollocatorDB cdb = CollocatorDB(argv[1], true);
+  std::cerr << "Database " << argv[1] << " opened\n";
+  #pragma omp parallel for schedule(dynamic, 1)
+  for(uint32_t i=START; i< STOP; i++) {
+    std::vector<rocksdb::Collocator> cs = cdb.get_collocators(i, STOP);
+    int j=0;
+    for (rocksdb::Collocator c : cs) {
+      if(c.w2 != i) {
+        array[i*20+j] = (uint32_t) c.w2;
+        if(++j >=20)
+          break;
+      }
+    }
+    if(done++  % 100 == 0) {
+      std::cerr <<"\r\033[2K"<<std::flush;
+      std::cerr << "done: " << done * 100.0 / (STOP-START) << "%" << " (todo: " << STOP-START-done << ")" << std::flush;
+    }
+  }
+  pFile = fopen("file.binary", "wb");
+  fwrite(array, sizeof(uint32_t), STOP*20, pFile);
+  fclose(pFile);
+  std::cout << std::flush;
+}