diff --git a/README b/README
new file mode 100644
index 0000000..e69de29
diff --git a/__main__.py b/__main__.py
index d1eb7c8..59df166 100644
--- a/__main__.py
+++ b/__main__.py
@@ -12,34 +12,58 @@ def table2list(table_tsv):
             code_list.append(code_char_mapping)
     return code_list
 
-
-def list2sqlite(code_list):
-
-    db = sqlite3.connect('table_db.sqlite')
+def connect_db(db_filename):
+    db = sqlite3.connect(db_filename)
     c = db.cursor()
+    return db,c
+
+def create_new_db(db_filename):
+    db, c = connect_db(db_filename)
+    c.execute('''CREATE TABLE ime (code text, char text)''')  
+    return db, c
+
+
+def list2sqlite(code_list,c):
 
-    c.execute('''CREATE TABLE ime
-    (code text, char text)''')
     c.executemany(
             'INSERT INTO ime VALUES (?,?)', code_list)
-    db.commit()
-    db.close()
 
 def import_all_table():
     import os
     import re
-    table_folder = os.path.join('.','table')
-    for file in os.listdir(table_folder):
+    main_dirname = os.path.dirname(os.path.abspath(__file__))
+
+    db ,c = create_new_db(':memory:')
+    table_folder = os.path.join(main_dirname, 'table')
+    table_folder_files = os.listdir(table_folder)
+
+    for file in table_folder_files:
         if re.match('.+\.txt$',file):
+
             file_path = os.path.join(table_folder,file)
             list = table2list(file_path)
-            list2sqlite(list)
+            list2sqlite(list,c)
 
+    db.commit()
 
+def find_code(char,c):
 
+    raw_code = c.execute('''SELECT code FROM ime WHERE char = ?''', (c,)) 
+    code = [rawcode2truecode(i) for i in raw_code]
+    return code, c
+
+def rawcode2truecode(raw):
+    raw_code_order = "QAZWSXEDCRFVTGBYHNUJMIK<OL>P:?"
+    true_code = ""
+
+    for i in raw:
+        i_index = raw_code_order.index(i)
+        column = str(i_index // 3)
+        raw_number = index % 3
+        raw = ['^','-','v'][raw_number]
+        column_and_raw = column + raw
+        true_code = true_code + column_and_raw
+
+    return true_code
 
 import_all_table()
-
-
-
-
diff --git a/table/array30_Ext E_V2016A.txt b/table/array30_Ext E_V2016A.txt
new file mode 100644
index 0000000..97cdd58
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diff --git a/table/array30_ExtCD_V2013A.txt b/table/array30_ExtCD_V2013A.txt
new file mode 100644
index 0000000..65226a8
Binary files /dev/null and b/table/array30_ExtCD_V2013A.txt differ