        new go.TextBlock('0', { row: 2, alignment: go.Spot.Left })
                .bind('text', 'min'),
              new go.TextBlock('100', { row: 2, alignment: go.Spot.Right })
                .bind('text', 'max'),
              new go.TextBlock({
                row: 2,
                background: 'white',
                font: 'bold 10pt sans-serif',
                isMultiline: false,
                editable: true
              })
                .bindTwoWay(
                  'text',
              