cross-fade {
  start: cross-fade "foo14" {
    start: cross-fade "foo13" {
      start: cross-fade "foo12" {
        start: cross-fade "foo11" {
          start: cross-fade "foo10" {
            start: cross-fade "foo9" {
              start: cross-fade "foo8" {
                start: cross-fade "foo7" {
                  start: cross-fade "foo6" {
                    start: cross-fade "foo5" {
                      start: cross-fade "foo4" {
                        start: cross-fade "foo3" {
                          start: cross-fade "foo2" {
                            start: color "foo1" {
                              bounds: 0 0 10 10;
                              color: red;
                            }
                            end: "foo1";
                            progress: 0.4;
                          }
                          end: "foo2";
                          progress: 0.4;
                        }
                        end: "foo3";
                        progress: 0.8;
                      }
                      end: "foo4";
                      progress: 0.6;
                    }
                    end: "foo5";
                    progress: 0.4;
                  }
                  end: "foo6";
                  progress: 0.2;
                }
                end: "foo7";
                progress: 0.6;
              }
              end: "foo8";
              progress: 0.6;
            }
            end: "foo9";
            progress: 0.8;
          }
          end: "foo10";
          progress: 0.6;
        }
        end: "foo11";
        progress: 0.4;
      }
      end: "foo12";
      progress: 0.6;
    }
    end: "foo13";
    progress: 0.2;
  }
  end: "foo14";
  progress: 0.4;
}