        graph TD
          A[Christmas] -->|Get money| B(Go shopping)
          subgraph 1test["id starting with number"]
          A
          end
          style 1test fill:#F99,stroke-width:2px,stroke:#F0F

        graph TD
          A.a[Christmas]:::someclass -->|Get money| B(Go shopping):::someclass
          subgraph test["id starting with number"]
          A.a
          end
          style test fill:#F99,stroke-width:2px,stroke:#F0F
          classDef someclass fill:#f96;

          graph TD
          9e122290-->82072290_1ec3_e711_8c5a_005056ad0002
          style 9e122290 fill:#F99,stroke-width:2px,stroke:#F0F