diff --git a/misc/all-graph/build.py b/misc/all-graph/build.py
new file mode 100755
index 0000000..7f61cee
--- /dev/null
+++ b/misc/all-graph/build.py
@@ -0,0 +1,116 @@
+#!/usr/bin/env python3
+
+import json
+import igraph as ig
+from klotski import Group, Layout, FastCal
+
+
+def layout_to_str(layout: Layout) -> str:
+    code = str(layout)
+    assert len(code) == 9 and code.endswith('00')
+    return code[:7]
+
+
+def build_graph(group: Group, targets: set[Layout], ignores: set[Layout]) -> dict[Layout, dict]:
+    steps = {x: [] for x in list(group.cases())}
+    assert len(steps) == group.size
+
+    for target in targets:
+        fc = FastCal(target)
+        fc.build_all()
+        layers = fc.exports()
+        assert sum(len(x) for x in layers) == group.size
+
+        for step, layouts in enumerate(layers):
+            [steps[x].append(step) for x in layouts]
+
+    graph = {}
+    for layout in steps:
+        assert len(steps[layout]) == len(targets)
+        graph[layout] = {'step': min(steps[layout]), 'next': set()}
+
+    for layout, info in graph.items():
+        for x in layout.next_cases():
+            if graph[x]['step'] == info['step'] + 1:
+                info['next'].add(x)
+
+    # print('valid', graph[Layout('DAFA730')])
+    # print('invalid', graph[Layout('D0ABDBC')])
+    # print('normal', graph[Layout('1a9bf0c')])
+
+    # print('D0ABDBC', graph[Layout('D0ABDBC')])
+    # print('DCA8DBC', graph[Layout('DCA8DBC')])
+    # print('DFA81BC', graph[Layout('DFA81BC')])
+    # print('DFA21BC', graph[Layout('DFA21BC')])
+    # print('DFAA4CC', graph[Layout('DFAA4CC')])
+
+    for ignore in ignores:
+        assert ignore in graph
+        for x in graph[ignore]['next']:
+            assert x in ignores
+
+        for layout, info in graph.items():
+            if ignore in info['next'] and layout not in ignores:
+                assert layout in targets
+
+    for ignore in ignores:
+        del graph[ignore]
+
+    for layout, info in graph.items():
+        need_remove = []
+        for x in info['next']:
+            if x in ignores:
+                assert layout in targets
+                need_remove.append(x)
+        for x in need_remove:
+            info['next'].remove(x)
+
+    for layout, info in graph.items():
+        for x in info['next']:
+            assert x in graph
+
+    return graph
+
+
+def dump_json(graph: dict[Layout, dict]) -> str:
+    data = {}
+    for layout, info in graph.items():
+        data[layout_to_str(layout)] = {
+            'step': info['step'],
+            'next': [layout_to_str(x) for x in info['next']]
+        }
+    return json.dumps(data, separators=(',', ':'))
+
+
+def dump_igraph(graph: dict[Layout, dict]) -> ig.Graph:
+    index_map = {x: i for i, x in enumerate(graph)}
+    g = ig.Graph(len(graph))
+    for index, (layout, info) in enumerate(graph.items()):
+        g.vs[index]['code'] = layout_to_str(layout)
+        g.vs[index]['step'] = info['step']
+        g.add_edges([(index, index_map[x]) for x in info['next']])
+    return g
+
+
+def load_and_dump(info: dict, path_prefix: str) -> None:
+    targets = [Layout(x) for x in info['solutions']['valid']]
+    ignores = set(Layout(x) for x in info['solutions']['invalid'])
+    graph = build_graph(targets[0].group, set(targets), ignores)
+
+    with open(f'{path_prefix}.json', 'w') as fp:
+        fp.write(dump_json(graph))
+
+    ig_graph = dump_igraph(graph)
+    ig_graph.write_pickle(f'{path_prefix}.pickle')
+    # ig_graph.write_picklez(f'{path_prefix}.picklez')
+    ig_graph.write_graphml(f'{path_prefix}.graphml')
+    # ig_graph.write_graphmlz(f'{path_prefix}.graphmlz')
+
+
+if __name__ == '__main__':
+    raw = json.loads(open('data.json').read())
+    # raw = {'1-00M': raw['1-00M']}
+
+    for name, info in raw.items():
+        print(name)
+        load_and_dump(info, f'./output/{name}')