{ path: '', redirectTo: '/home', pathMatch: 'full'},
  { path: 'home', component: HomeComponentsComponent, data: {depth: 1}},
  { path: 'tableofcontents', component: TableOfContentsComponent,data: {depth: 2}},

  //nest routing
  {  path: 'tableofcontents',data:{depth: 3},
    component: IndexdetailComponent,
    children:[
              {path: 'Massimo flusso', component: MaxflowComponent ,data:{depth: 2}},
              {path: 'Reti di flusso e flussi', component: MaxflowComponent,data:{depth: 2}},
              {path: 'Flusso reale in una rete e valore del flusso reale', component: MaxflowComponent,data:{depth: 2}},
              {path: 'Flusso netto in una rete e le sue proprietà', component: MaxflowComponent,data:{depth: 2}},
              {path: 'Problema del flusso massimo', component: MaxflowComponent,data:{depth: 2}},

              {path: 'Algoritmo di Dinic', component: DinicAlgorithmsComponent,data:{depth:3}},
            ],
  },
  { path: 'contacts', component: ContactsComponent, data: {depth: 2}},
  { path: "**", component: FourZeroFourComponent, data: {depth: 3}}