Support for multi-group problems at hsgw-solver

hsgw @ f2e4e6c8

-Subproject commit 5e5c48717d206c28cf08e7295c19b8a22346a7c5
+Subproject commit f2e4e6c80ba0d717151dbbe38e99f69691658e2f

utils/__init__.py

-from .data import Problem
+from .data import Problem, Solution

utils/data.py

@@ -80,8 +80,12 @@ class Problem(object):
             problem_text = ''
             num_tiles = 0
             line_remap_list = list()
+            line_remap_list.append(0)
+            block_remap_list = list()
+            block_remap_list.append(0)
             block_text = ''
             for bi, bn in enumerate(g):
+                block_remap_list.append(bn)
                 b = self.blocks[bn]
                 num_tiles += b['num_tiles']
 
@@ -93,7 +97,7 @@ class Problem(object):
                         if isinstance(bc, int) and bc > 0:
                             if not bc in line_remap_list:
                                 line_remap_list.append(bc)
-                            remapped_index = line_remap_list.index(bc) + 1
+                            remapped_index = line_remap_list.index(bc)
                             br_cells.append(str(remapped_index))
                         else:
                             br_cells.append(str(bc))
@@ -106,7 +110,7 @@ class Problem(object):
             problem_text += '\n'
             problem_text += block_text
             
-            group_problems.append(problem_text)
+            group_problems.append((problem_text, line_remap_list, block_remap_list))
 
         return group_problems