  obj.fill = 'white';
        }
      }).trigger('fill', {
        duration: 125
      });
    }

    myDiagram.model = new go.GraphLinksModel(
      [
        { key: 1, text: 'Alpha', color: 'lightblue', values: ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'] },
        { key: 2, text: 'Beta', color: 'orange', figure: 'Diamond', values: ['I', 'J'] },
        { key: 3, text: 'Gamma', color: 'lightgreen', figure: 'Circle', values: ['123', '456', '7890'] },
        { key: 4, text: 'Delta', color: 'pink', figure: 'Tr