diff --git a/README.md b/README.md
index 332a403..1b28403 100644
--- a/README.md
+++ b/README.md
@@ -1001,43 +1001,43 @@ Intel UHD Graphics 630 1536 MB
 [//]: # (No deletion!!! Start of Replace Section)
 <div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>heap</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add</td><td>6.51</td><td>153.59</td><td>4.60e-4</td></tr><tr><td>100,000 add & poll</td><td>31.59</td><td>31.65</td><td>8.52e-4</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add</td><td>6.42</td><td>155.87</td><td>1.90e-4</td></tr><tr><td>100,000 add & poll</td><td>31.50</td><td>31.74</td><td>8.72e-4</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>rb-tree</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add</td><td>85.08</td><td>11.75</td><td>0.00</td></tr><tr><td>100,000 add & delete randomly</td><td>217.11</td><td>4.61</td><td>0.02</td></tr><tr><td>100,000 getNode</td><td>178.00</td><td>5.62</td><td>0.00</td></tr><tr><td>100,000 add & iterator</td><td>116.31</td><td>8.60</td><td>0.00</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add orderly</td><td>42.46</td><td>23.55</td><td>0.01</td></tr><tr><td>100,000 delete orderly</td><td>176.04</td><td>5.68</td><td>0.01</td></tr><tr><td>100,000 add randomly</td><td>98.02</td><td>10.20</td><td>0.00</td></tr><tr><td>100,000 delete randomly</td><td>182.58</td><td>5.48</td><td>0.00</td></tr><tr><td>100,000 add orderly</td><td>42.10</td><td>23.76</td><td>8.79e-4</td></tr><tr><td>100,000 delete randomly</td><td>182.16</td><td>5.49</td><td>5.65e-4</td></tr><tr><td>100,000 getNode randomly</td><td>180.63</td><td>5.54</td><td>0.00</td></tr><tr><td>100,000 add & iterator</td><td>129.92</td><td>7.70</td><td>0.00</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>queue</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>45.98</td><td>21.75</td><td>0.01</td></tr><tr><td>100,000 push & shift</td><td>4.91</td><td>203.49</td><td>7.39e-4</td></tr><tr><td>Native JS Array 100,000 push & shift</td><td>2321.55</td><td>0.43</td><td>0.20</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>44.33</td><td>22.56</td><td>0.01</td></tr><tr><td>100,000 push & shift</td><td>4.68</td><td>213.63</td><td>1.41e-4</td></tr><tr><td>Native JS Array 100,000 push & shift</td><td>2633.11</td><td>0.38</td><td>0.44</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>deque</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>24.85</td><td>40.24</td><td>0.00</td></tr><tr><td>1,000,000 push & pop</td><td>31.50</td><td>31.75</td><td>0.00</td></tr><tr><td>1,000,000 push & shift</td><td>30.93</td><td>32.33</td><td>0.00</td></tr><tr><td>100,000 push & shift</td><td>3.28</td><td>304.69</td><td>2.35e-4</td></tr><tr><td>Native JS Array 100,000 push & shift</td><td>2040.48</td><td>0.49</td><td>0.08</td></tr><tr><td>100,000 unshift & shift</td><td>2.97</td><td>336.20</td><td>5.34e-4</td></tr><tr><td>Native JS Array 100,000 unshift & shift</td><td>4113.19</td><td>0.24</td><td>0.25</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>24.62</td><td>40.62</td><td>0.00</td></tr><tr><td>1,000,000 push & pop</td><td>30.71</td><td>32.56</td><td>0.00</td></tr><tr><td>1,000,000 push & shift</td><td>31.93</td><td>31.32</td><td>0.01</td></tr><tr><td>100,000 push & shift</td><td>3.25</td><td>307.22</td><td>2.74e-4</td></tr><tr><td>Native JS Array 100,000 push & shift</td><td>2455.51</td><td>0.41</td><td>0.29</td></tr><tr><td>100,000 unshift & shift</td><td>2.94</td><td>340.31</td><td>2.39e-4</td></tr><tr><td>Native JS Array 100,000 unshift & shift</td><td>4314.20</td><td>0.23</td><td>0.41</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>hash-map</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 set</td><td>118.59</td><td>8.43</td><td>0.03</td></tr><tr><td>Native JS Map 1,000,000 set</td><td>208.83</td><td>4.79</td><td>0.02</td></tr><tr><td>Native JS Set 1,000,000 add</td><td>168.45</td><td>5.94</td><td>0.01</td></tr><tr><td>1,000,000 set & get</td><td>120.86</td><td>8.27</td><td>0.02</td></tr><tr><td>Native JS Map 1,000,000 set & get</td><td>270.83</td><td>3.69</td><td>0.02</td></tr><tr><td>Native JS Set 1,000,000 add & has</td><td>168.79</td><td>5.92</td><td>0.01</td></tr><tr><td>1,000,000 ObjKey set & get</td><td>335.67</td><td>2.98</td><td>0.05</td></tr><tr><td>Native JS Map 1,000,000 ObjKey set & get</td><td>302.02</td><td>3.31</td><td>0.04</td></tr><tr><td>Native JS Set 1,000,000 ObjKey add & has</td><td>270.81</td><td>3.69</td><td>0.04</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 set</td><td>116.60</td><td>8.58</td><td>0.02</td></tr><tr><td>Native JS Map 1,000,000 set</td><td>202.39</td><td>4.94</td><td>0.01</td></tr><tr><td>Native JS Set 1,000,000 add</td><td>167.89</td><td>5.96</td><td>0.01</td></tr><tr><td>1,000,000 set & get</td><td>125.21</td><td>7.99</td><td>0.03</td></tr><tr><td>Native JS Map 1,000,000 set & get</td><td>272.20</td><td>3.67</td><td>0.03</td></tr><tr><td>Native JS Set 1,000,000 add & has</td><td>168.51</td><td>5.93</td><td>0.01</td></tr><tr><td>1,000,000 ObjKey set & get</td><td>309.10</td><td>3.24</td><td>0.01</td></tr><tr><td>Native JS Map 1,000,000 ObjKey set & get</td><td>299.43</td><td>3.34</td><td>0.03</td></tr><tr><td>Native JS Set 1,000,000 ObjKey add & has</td><td>260.93</td><td>3.83</td><td>0.02</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>trie</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 push</td><td>44.86</td><td>22.29</td><td>9.69e-4</td></tr><tr><td>100,000 getWords</td><td>85.63</td><td>11.68</td><td>0.01</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 push</td><td>43.32</td><td>23.08</td><td>6.16e-4</td></tr><tr><td>100,000 getWords</td><td>84.84</td><td>11.79</td><td>0.00</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>avl-tree</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>10,000 add randomly</td><td>128.11</td><td>7.81</td><td>0.00</td></tr><tr><td>10,000 get</td><td>52.87</td><td>18.91</td><td>6.02e-4</td></tr><tr><td>10,000 add & delete randomly</td><td>189.76</td><td>5.27</td><td>0.00</td></tr><tr><td>10,000 addMany</td><td>136.54</td><td>7.32</td><td>9.74e-4</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>10,000 add randomly</td><td>129.04</td><td>7.75</td><td>0.00</td></tr><tr><td>10,000 get</td><td>51.31</td><td>19.49</td><td>5.76e-4</td></tr><tr><td>10,000 add & delete randomly</td><td>190.44</td><td>5.25</td><td>0.00</td></tr><tr><td>10,000 addMany</td><td>137.94</td><td>7.25</td><td>0.00</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>binary-tree-overall</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>10,000 RBTree add</td><td>7.00</td><td>142.81</td><td>9.38e-5</td></tr><tr><td>10,000 RBTree add & delete randomly</td><td>16.85</td><td>59.34</td><td>1.65e-4</td></tr><tr><td>10,000 RBTree get</td><td>18.20</td><td>54.93</td><td>1.45e-4</td></tr><tr><td>10,000 AVLTree add</td><td>127.56</td><td>7.84</td><td>0.00</td></tr><tr><td>10,000 AVLTree get</td><td>53.38</td><td>18.73</td><td>7.89e-4</td></tr><tr><td>10,000 AVLTree add & delete randomly</td><td>190.11</td><td>5.26</td><td>0.00</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>10,000 RBTree add</td><td>8.13</td><td>122.97</td><td>1.87e-4</td></tr><tr><td>10,000 RBTree add & delete randomly</td><td>58.30</td><td>17.15</td><td>5.24e-4</td></tr><tr><td>10,000 RBTree get</td><td>18.16</td><td>55.06</td><td>2.06e-4</td></tr><tr><td>10,000 AVLTree add</td><td>129.10</td><td>7.75</td><td>0.00</td></tr><tr><td>10,000 AVLTree get</td><td>51.37</td><td>19.47</td><td>7.26e-4</td></tr><tr><td>10,000 AVLTree add & delete randomly</td><td>189.84</td><td>5.27</td><td>8.96e-4</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>directed-graph</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000 addVertex</td><td>0.10</td><td>9828.43</td><td>2.34e-6</td></tr><tr><td>1,000 addEdge</td><td>6.14</td><td>162.81</td><td>1.71e-4</td></tr><tr><td>1,000 getVertex</td><td>0.05</td><td>2.17e+4</td><td>4.30e-7</td></tr><tr><td>1,000 getEdge</td><td>23.02</td><td>43.44</td><td>0.00</td></tr><tr><td>tarjan</td><td>202.41</td><td>4.94</td><td>0.01</td></tr><tr><td>topologicalSort</td><td>180.32</td><td>5.55</td><td>0.00</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000 addVertex</td><td>0.10</td><td>9882.73</td><td>1.12e-6</td></tr><tr><td>1,000 addEdge</td><td>6.18</td><td>161.76</td><td>7.54e-4</td></tr><tr><td>1,000 getVertex</td><td>0.05</td><td>2.17e+4</td><td>3.35e-7</td></tr><tr><td>1,000 getEdge</td><td>23.36</td><td>42.81</td><td>0.00</td></tr><tr><td>tarjan</td><td>208.84</td><td>4.79</td><td>0.01</td></tr><tr><td>topologicalSort</td><td>178.78</td><td>5.59</td><td>0.00</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>doubly-linked-list</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>209.36</td><td>4.78</td><td>0.04</td></tr><tr><td>1,000,000 unshift</td><td>217.02</td><td>4.61</td><td>0.08</td></tr><tr><td>1,000,000 unshift & shift</td><td>174.28</td><td>5.74</td><td>0.05</td></tr><tr><td>1,000,000 addBefore</td><td>331.23</td><td>3.02</td><td>0.08</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>217.73</td><td>4.59</td><td>0.05</td></tr><tr><td>1,000,000 unshift</td><td>200.41</td><td>4.99</td><td>0.04</td></tr><tr><td>1,000,000 unshift & shift</td><td>168.75</td><td>5.93</td><td>0.04</td></tr><tr><td>1,000,000 addBefore</td><td>298.21</td><td>3.35</td><td>0.06</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>singly-linked-list</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push & shift</td><td>217.34</td><td>4.60</td><td>0.07</td></tr><tr><td>10,000 push & pop</td><td>216.54</td><td>4.62</td><td>0.01</td></tr><tr><td>10,000 addBefore</td><td>247.69</td><td>4.04</td><td>0.01</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push & shift</td><td>196.65</td><td>5.09</td><td>0.04</td></tr><tr><td>10,000 push & pop</td><td>221.63</td><td>4.51</td><td>0.02</td></tr><tr><td>10,000 addBefore</td><td>249.40</td><td>4.01</td><td>0.01</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>priority-queue</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add</td><td>27.82</td><td>35.94</td><td>0.00</td></tr><tr><td>100,000 add & poll</td><td>78.76</td><td>12.70</td><td>0.02</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add</td><td>28.95</td><td>34.55</td><td>0.00</td></tr><tr><td>100,000 add & poll</td><td>76.25</td><td>13.11</td><td>6.57e-4</td></tr></table></div>
     </div><div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>stack</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>40.75</td><td>24.54</td><td>0.01</td></tr><tr><td>1,000,000 push & pop</td><td>48.07</td><td>20.80</td><td>0.01</td></tr></table></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>1,000,000 push</td><td>39.72</td><td>25.18</td><td>0.01</td></tr><tr><td>1,000,000 push & pop</td><td>49.18</td><td>20.33</td><td>0.01</td></tr></table></div>
     </div>
 
 [//]: # (No deletion!!! End of Replace Section)
diff --git a/package.json b/package.json
index d305342..828679d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "data-structure-typed",
-  "version": "1.50.5",
+  "version": "1.50.6",
   "description": "Javascript Data Structure. Heap, Binary Tree, Red Black Tree, Linked List, Deque, Trie, HashMap, Directed Graph, Undirected Graph, Binary Search Tree(BST), AVL Tree, Priority Queue, Graph, Queue, Tree Multiset, Singly Linked List, Doubly Linked List, Max Heap, Max Priority Queue, Min Heap, Min Priority Queue, Stack. Benchmark compared with C++ STL. API aligned with ES6 and Java.util. Usability is comparable to Python",
   "main": "dist/cjs/index.js",
   "module": "dist/mjs/index.js",