diff --git a/.gitignore b/.gitignore
index f3b14b2032fa6fc563276fa1dc680a69c29b9c0d..84bdf4533fff168b643d6575b6a2dc6c7248fba3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 
 # Project-specific files
 /conf*.json
+/test.py
 /problems/*
 !/problems/.gitkeep
 /solutions/*
diff --git a/templates/part_problems.html b/templates/part_problems.html
index 361b0ecde4db69bb00c69e727c31311a5cdaf310..3de937c8420a1905546f5a21818498727ea3613e 100644
--- a/templates/part_problems.html
+++ b/templates/part_problems.html
@@ -2,18 +2,30 @@
     <thead>
         <tr>
             <th class="large-cell">File Name</th>
-            <th class="small-cell">Size</th>
-            <th class="small-cell">#Blocks</th>
-            <th class="large-cell">Status</th>
+            <th class="small-cell">
+                Size<br />
+                #B/#L/#G
+            </th>
+            <!-- <th class="small-cell">B/L/G</th> -->
+            <th class="small-cell">Status</th>
         </tr>
     </thead>
     <tbody>
         {% for k, v in problems.items() %}
         <tr class="problem-row" data-problem="{{v.name}}">
             <td class="large-cell">{{v.name}}</td>
-            <td class="small-cell">{{v.size_str}}</td>
-            <td class="small-cell">{{v.block_num}}</td>
-            <td class="large-cell">{{v.status}}</td>
+            <td class="small-cell">
+                {{v.size_str}}<br />
+                {{v.block_num}} /
+                {{v.line_numbers | length - 1}} /
+                {{v.block_groups | length}}
+            </td>
+            <!-- <td class="small-cell">
+                {{v.block_num}}/
+                {{v.line_numbers | length}}/
+                {{v.block_groups | length}}
+            </td> -->
+            <td class="small-cell">{{v.status}}</td>
         </tr>
         {% endfor %}
     </tbody>
diff --git a/utils/data.py b/utils/data.py
index 418ace7d4cedd79b5f130def809de3d9b1fd7fd1..1ffec028b171009130b14d14dd4eda80f416a114 100644
--- a/utils/data.py
+++ b/utils/data.py
@@ -1,13 +1,14 @@
 import datetime
 import json
 import os
+import queue
 import re
 import time
 import uuid
 
 class Problem(object):
 
-    def __init__(self, problem_path, solution_path):
+    def __init__(self, problem_path, solution_path=None):
 
         self.path = problem_path
         self.name = ''
@@ -19,12 +20,44 @@ class Problem(object):
         self.solutions = dict()
         self.solution_path = solution_path
         self.best_solution = None
+        self.line_numbers = list()
+        self.connection = tuple()
+        self.block_groups = list()
 
         self._load_problem(problem_path)
     
     @property
     def size_str(self):
         return f'{self.size[0]}X{self.size[1]}'
+
+    @property
+    def problem_text(self):
+        
+        def intplus(v):
+            if v.isdecimal():
+                return int(v)
+            else:
+                return v
+
+        _text = ''
+
+        _text += f'SIZE {self.size_str}\n'
+        _text += f'BLOCK_NUM {self.block_num}\n'
+        _text += '\n'
+
+        for bi, block in self.blocks.items():
+            _text += f'BLOCK#{bi} {block["w"]}X{block["h"]}\n'
+            for cr in block['cells']:
+                for cci, cc in enumerate(cr):
+                    if cci > 0:
+                        _text += ','
+                    if isinstance(cc, int) and cc > 0:
+                        cc = self.line_numbers.index(cc)
+                    _text += f'{cc}'
+                _text += '\n'
+            _text += '\n'
+        
+        return _text
     
     @property
     def status(self):
@@ -64,6 +97,11 @@ class Problem(object):
             else:
                 return v
 
+        line_number_list = [0]
+        
+        block_to_line = dict()
+        line_to_block = dict()
+
         li = 0
         while li < len(q_lines):
             _l = q_lines[li]
@@ -87,7 +125,25 @@ class Problem(object):
                 for _h in range(bh):
                     li += 1
                     _l = q_lines[li].strip()
-                    blocks[bi]['cells'].append([intplus(v.strip()) for v in _l.split(',')])
+                    _block_row = []
+                    for v in _l.split(','):
+                        _line_num = intplus(v.strip())
+                        if isinstance(_line_num, int) and _line_num > 0:
+                            # Line number conversion
+                            if not _line_num in line_number_list:
+                                line_number_list.append(_line_num)
+                            # _line_num = line_number_list.index(_line_num)
+
+                            # Make connection list
+                            if not bi in block_to_line:
+                                block_to_line[bi] = list()
+                            block_to_line[bi].append(_line_num)
+                            if not _line_num in line_to_block:
+                                line_to_block[_line_num] = list()
+                            line_to_block[_line_num].append(bi)
+                        _block_row.append(_line_num)
+                    blocks[bi]['cells'].append(_block_row)
+                    # blocks[bi]['cells'].append([intplus(v.strip()) for v in _l.split(',')])
 
             li += 1
         
@@ -98,8 +154,58 @@ class Problem(object):
         self.blocks = blocks
         self.name = name
         self.problem = q_text
+        self.line_numbers = line_number_list
+        self.connection = (line_to_block, block_to_line)
         # self.status = 'Ready'
 
+        self._analyze_block_groups()
+
+    def _analyze_block_groups(self):
+                
+        traversed_block = list()
+
+        line_to_block = self.connection[0]
+        block_to_line = self.connection[1]
+
+        block_groups = list()
+
+        for b in block_to_line.keys():
+
+            if b in traversed_block:
+                continue
+
+            traverse_block_queue = queue.Queue()
+            traverse_block_queue.put(b)
+
+            target_group_blocks = list()
+
+            while not traverse_block_queue.empty():
+
+                target_block = traverse_block_queue.get()
+                target_block_lines = block_to_line[target_block]
+
+                if target_block in traversed_block:
+                    continue
+
+                traversed_block.append(target_block)
+                target_group_blocks.append(target_block)
+
+                for line in target_block_lines:
+                    corresponding_blocks = line_to_block[line]
+                    if corresponding_blocks[0] == target_block:
+                        next_block = corresponding_blocks[1]
+                    else:
+                        next_block = corresponding_blocks[0]
+
+                    if next_block in traversed_block:
+                        continue
+                    else:
+                        traverse_block_queue.put(next_block)
+
+            block_groups.append(target_group_blocks)
+
+        self.block_groups = block_groups
+
     def get_dict(self):
         return {
             'name': self.name,