diff --git a/src/daidepp/__init__.py b/src/daidepp/__init__.py
index 734318c..d17191d 100644
--- a/src/daidepp/__init__.py
+++ b/src/daidepp/__init__.py
@@ -1,2 +1,2 @@
+from daidepp.daide_visitor import daide_visitor
 from daidepp.grammar import create_daide_grammar
-from daidepp.node_visitor import daide_visitor
diff --git a/src/daidepp/node_visitor.py b/src/daidepp/daide_visitor.py
similarity index 97%
rename from src/daidepp/node_visitor.py
rename to src/daidepp/daide_visitor.py
index 1880ea5..3df807d 100644
--- a/src/daidepp/node_visitor.py
+++ b/src/daidepp/daide_visitor.py
@@ -417,17 +417,6 @@ def visit_wve(self, node, visited_children):
     def visit_power(self, node, visited_children):
         return node.text
 
-    def visit_province(self, node, visited_children):
-        if isinstance(visited_children[0], str):
-            return node.text
-
-        _, province, _, coast, _ = visited_children[0]
-
-        return province + " " + coast
-
-    def visit_coast(self, node, visited_children):
-        return node.text
-
     def visit_prov_coast(self, node, visited_children):
         return node.text
 
@@ -447,6 +436,24 @@ def visit_unit(self, node, visited_children):
     def visit_unit_type(self, node, visited_children):
         return node.text
 
+    def visit_province(self, node, visited_children):
+        if isinstance(visited_children, str):
+            return node.text
+        return visited_children[0]
+
+    def visit_prov_landlock(self, node, visited_children):
+        return node.text
+
+    def visit_prov_land_sea(self, node, visited_children):
+        return node.text
+
+    def visit_prov_coast(self, node, visited_children):
+        _, province, _, coast, _ = visited_children[0]
+        return province.text + " " + coast.text
+
+    def visit_coast(self, node, visited_children):
+        return node.text
+
     def visit_turn(self, node, visited_children):
         season, _, year = visited_children
         return season + " " + year.text
diff --git a/src/daidepp/grammar.py b/src/daidepp/grammar.py
index 087e59b..dc80497 100644
--- a/src/daidepp/grammar.py
+++ b/src/daidepp/grammar.py
@@ -21,8 +21,8 @@ def _set_try_tokens(self):
         self.try_tokens: List[str] = try_tokens_strings
 
     @staticmethod
-    def from_level(level: DAIDE_LEVEL):
-        return create_daide_grammar(level)
+    def from_level(level: DAIDE_LEVEL, allow_just_arrangment: bool = False):
+        return create_daide_grammar(level, allow_just_arrangment)
 
 
 DAIDE_LEVEL = Literal[10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130]
@@ -58,6 +58,9 @@ def from_level(level: DAIDE_LEVEL):
     "try_tokens": '"PRP" / "PCE" / "ALY" / "VSS" / "DRW" / "SLO" / "NOT" / "YES" / "REJ" / "BWX" / "FCT"',
 }
 
+# prov_no_coast: all province tokens without coasts
+# province: all provinces including coasts
+
 # Order Proposals
 LEVEL_20: GRAMMAR_DICT = {
     "xdo": '"XDO" lpar order rpar',
@@ -77,10 +80,12 @@ def from_level(level: DAIDE_LEVEL):
     "wve": 'power ws "WVE"',
     "unit_type": '"AMY" / "FLT"',
     "unit": "power ws unit_type ws province",
-    "province": "prov_coast / prov_no_coast / prov_sea / (lpar prov_coast ws coast rpar)",
+    "prov_no_coast": "prov_land_sea / prov_landlock / prov_sea",
+    "prov_coast": '(lpar "STP" ws "SCS" rpar) / (lpar "STP" ws "SCS" rpar) / (lpar "SPA" ws "NCS" rpar) / (lpar "SPA" ws "SCS" rpar) / (lpar "BUL" ws "ECS" rpar) / (lpar "BUL" ws "SCS" rpar)',
+    "province": "prov_land_sea / prov_landlock / prov_sea / prov_coast",
     "coast": '"NCS" / "ECS" / "SCS" / "WCS"',
-    "prov_coast": '"ALB" / "ANK" / "APU" / "ARM" / "BEL" / "BER" / "BRE" / "BUL" / "CLY" / "CON" / "DEN" / "EDI" / "FIN" / "GAS" / "GRE" / "HOL" / "KIE" / "LON" / "LVN" / "LVP" / "MAR" / "NAF" / "NAP" / "NWY" / "PIC" / "PIE" / "POR" / "PRU" / "ROM" / "RUM" / "SEV" / "SMY" / "SPA" / "STP" / "SWE" / "SYR" / "TRI" / "TUN" / "TUS" / "VEN" / "YOR" / "WAL"',
-    "prov_no_coast": '"BOH" / "BUD" / "BUR" / "MOS" / "MUN" / "GAL" / "PAR" / "RUH" / "SER" / "SIL" / "TYR" / "UKR" / "VIE" / "WAR" ',
+    "prov_land_sea": '"ALB" / "ANK" / "APU" / "ARM" / "BEL" / "BER" / "BRE" / "BUL" / "CLY" / "CON" / "DEN" / "EDI" / "FIN" / "GAS" / "GRE" / "HOL" / "KIE" / "LON" / "LVN" / "LVP" / "MAR" / "NAF" / "NAP" / "NWY" / "PIC" / "PIE" / "POR" / "PRU" / "ROM" / "RUM" / "SEV" / "SMY" / "SPA" / "STP" / "SWE" / "SYR" / "TRI" / "TUN" / "TUS" / "VEN" / "YOR" / "WAL"',
+    "prov_landlock": '"BOH" / "BUD" / "BUR" / "MOS" / "MUN" / "GAL" / "PAR" / "RUH" / "SER" / "SIL" / "TYR" / "UKR" / "VIE" / "WAR" ',
     "prov_sea": '"ADR" / "AEG" / "BAL" / "BAR" / "BLA" / "BOT" / "EAS" / "ENG" / "HEL" / "ION" / "IRI" / "LYO" / "MAO" / "NAO" / "NTH" / "NWG" / "SKA" / "TYS" / "WES"',
     "supply_center": '"ANK" / "BEL" / "BER" / "BRE" / "BUD" / "BUL" / "CON" / "DEN" / "EDI" / "GRE" / "HOL" / "KIE" / "LON" / "LVP" / "MAR" / "MOS" / "MUN" / "NAP" / "NWY" / "PAR" / "POR" / "ROM" / "RUM" / "SER" / "SEV" / "SMY" / "SPA" / "STP" / "SWE" / "TRI" / "TUN" / "VEN" / "VIE" / "WAR"',
     "arrangement": f"{TRAIL_TOKEN}mto / xdo / dmz",
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..ea5b7c3
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,9 @@
+import pytest
+
+
+@pytest.fixture(scope="session")
+def sample_daide_messages():
+    return [
+        "PRP(XDO((ENG FLT EDI) SUP (ENG AMY LVP) MTO CLY))",
+        "PRP(XDO((ENG FLT (STP SCS)) SUP (ENG AMY LVP) MTO CLY))",
+    ]
diff --git a/tests/test_daide_visitor.py b/tests/test_daide_visitor.py
new file mode 100644
index 0000000..98bbcb5
--- /dev/null
+++ b/tests/test_daide_visitor.py
@@ -0,0 +1,12 @@
+from typing import List
+
+
+def test_basic_visitor(sample_daide_messages: List[str]):
+    from daidepp.daide_visitor import daide_visitor
+    from daidepp.grammar import create_daide_grammar
+
+    grammar = create_daide_grammar(level=130)
+    for message in sample_daide_messages:
+        tree = grammar.parse(message)
+        daide_visitor.visit(tree)
+    assert True