adds zebrapuzzles

reasoning_gym/logic/contrib/logic_puzzle/graph/graph_literals.py

@@ -0,0 +1,33 @@
+
+
+def print_clue(clue_idxs, idx2clue, new_cell, first=False):
+    if len(clue_idxs)==1:
+        # print(type(idx2clue[clue_idxs[0]]))
+        # if type(idx2clue[clue_idxs[0]]) == clues.found_at:
+        return single_find_at(idx2clue[clue_idxs[0]], new_cell, first)
+    else:
+        if first:
+            result= 'First combining clues: '
+        else:
+            result= 'Then combining clues: '
+        for current_idx in clue_idxs:
+            result += "<{}>".format(idx2clue[current_idx])
+        result += ' Unique Values Rules and the fixed table structure. We know that '
+        for cell in new_cell:
+            result += cell
+            result += '. '
+        return result
+
+def single_find_at(clue, new_cell, first=False):
+    if first:
+        result="First applying clue: "
+    else:
+        result="Then applying clue: "
+    if len(new_cell)>1:
+        result += "<{}> and Unique Values We know that ".format(clue)
+    else:
+        result += "<{}> We know that ".format(clue)
+    for cell in new_cell:
+        result += cell
+        result += '. '
+    return result